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Answer:

This increases the atomic size, nuclear charge and the SCREENING effect. Hence the ionization energies decreases from lithium to CESIUM. Hence lithium has the highest ionization enthalpy among the alkali metals.

Explanation:

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Answer:

HYDROGEN has no neutron, deuterium has one, and tritium has two neutrons. The isotopes of hydrogen have, RESPECTIVELY, mass numbers of one, two, and three. Their nuclear symbols are therefore 1H, 2H, and 3H. The atoms of these isotopes have one ELECTRON to balance the charge of the one proton.

Explanation:

i think it MAY help you

ANSWER:

neon

atomic no. is 10....

Answer:

chemical

EXPLANATION:

chemical EQUATION is the SYMBOLIC representation of chemical REACTION

You see that a reaction takes PLACE and copper is left by itself. Now, we can say that IRON has displaced copper from copper sulphate. In such a reaction, the more reactive metal displaces the less reactive metal. THUS, the above activity shows that iron is more reactive than copper.

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Answer:

a) It COULD be Copper

Explanation:

As there are THREE metals it may be POSSIBLE it it the third one which was not mentioned in the other two BEAKERS .

Answer:

6.023×10^24

Explanation:

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Answer:

I don't know so I ADVISE U u should search in google because no one KNOWS this much difficult q.

→Oncology is the study of cancer

→Oncology is a branch of medicine that deals with the PREVENTION, DIAGNOSIS, and treatment of cancer.

→ A medical professional who PRACTICES oncology is an oncologist.

→An oncologist is a doctor who treats cancer and provides medical care for a PERSON diagnosed with cancer.

Answer:

The AUFBAU PRINCIPLE states that, hypothetically, electrons orbiting one or more atoms fill the lowest available energy levels before FILLING HIGHER levels (e.g., 1s before 2s). In this way, the electrons of an atom, molecule, or ion harmonize into the most stable electron configuration possible.

Explanation:

• Atoms & Molecules, We know that 1 mole or 6.023x10²³molecule of oxygen weights(2 × 16)gm = 32GM. So, 1.505x10²³ molecules of O2 will weight = 1.505x10²³x32/6.023x10²³gm. which is 48.16/6.023 or estimately 7.996 gm.

ANSWER:

Tokyo

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ANSWER:

CHAPATIS PUFFS DUE to HEAT.

Answer:

(d) may increase or decrease DEPENDING  UPON other factors​

Explanation:

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ANSWER:

4KClO3—3KClO4 +KCL

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Answer:

Explanation:

In ORDER to give compounds a name, certain rules must be followed. When naming organic compounds, the IUPAC (International Union of Pure and Applied Chemistry) nomenclature (naming scheme) is used. This is to give consistency to the names. It also enables every compound to have a UNIQUE name, which is not possible with the COMMON names used (for example in industry). We will first look at some of the steps that need to be followed when naming a compound, and then try to apply these rules to some specific examples.

A good general rule to follow is to START at the end (the suffix) and work backwards (from right to left) in the name.

Explanation:

NEIL bohr,,,that periodic property is the function of their atomic number... because atomic number REPRESENTS number of ELECTRON....and in chemistry every property like every reaction, chemical and PHYSICAL CHANGE depends upon change in its atomic number.... i.e change in its electron...

ANSWER:

ssteel

Explanation:

malted and MADE SHEET for the TRANSPORT of the

ANSWER:

ohohggdd to the BLANKS a NOUN is a

Explanation:

BUILDINGS use a wide range of minerals:

iron (as steel) in the framework of large building,

CLAY in bricks and roofing tiles,

slate for roofing tiles,

limestone,

clay,

shale and gypsum in CEMENT,

gypsum in plaster,

silica sand in WINDOW glass,

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ANSWER:

I THINK so 4. ONE is WRONG

Answer:

A CHEMICAL equation describes a chemical reaction. REACTANTS are STARTING materials and are WRITTEN on the left-hand side of the equation. PRODUCTS are the end-result of the reaction and are written on the right-hand side of the equation.

ANSWER:

If four DIFFERENT groups are attached to the carbons of the DOUBLE bond, you need to use the E/Z NOMENCLATURE convention.

In the E/Z system of classification the ATOMS attached to each carbon of a double bond are assigned a priority based on atomic number.

Higher atomic number atoms are assigned a higher priority.

ANSWER:

A molecule is the SMALLEST PARTICLE of a substance that exists independently. Molecules of most elements are made up of only one of atom of that element. Oxygen, along with NITROGEN, hydrogen, and CHLORINE are made up of two atoms. ... A compound is a substance formed when two or more elements are chemically joined.

FE + S --- FES { BLACK }in TEXTURE

ANSWER:

B. DIAMOND is PURE ELEMENT

Answer:

SOLIDS have shapes that do not change and volumes that can be measured.

Any matter that is a solid has a definite shape and a definite volume.

The molecules in a solid are in fixed positions and are close

together. ALTHOUGH the molecules can still VIBRATE, they cannot move

from one PART of the solid to another part. As a RESULT, a solid does not

easily change its shape or its volume.

weak acid is an acid that partially dissociates into its IONS in an aqueous solution or water. In contrast, a strong acid fully dissociates into its ions in water. ... At the same concentration, weak ACIDS have a higher PH value than strong acids.

strong base is a base that is completely dissociated in an aqueous solution. These compounds ionize in water to yield one or more HYDROXIDE ION (OH-) per molecule of base. In contrast, a weak base only partially dissociates into its ions in water. Ammonia is a good example of a weak base.

Answer:

The SODIUM spectrum is dominated by the bright doublet known as the Sodium D-LINES at 588.9950 and 589.5924 nanometers. From the energy level diagram it can be seen that these lines are EMITTED in a transition from the 3p to the 3s LEVELS. The line at 589.0 has twice the INTENSITY of the line at 589.6 nm.

1. Answer:   6 Properties of salts are ====Crystals or white crystalline powder.
2. Transparent and COLOURLESS in crystalline form – rather like ice.
3. Crystallises in the isometric system, usually in the form of cubes.
4. Soluble in WATER (35.6g/100g at 0°C and 39.2g/100g at 100°).
5. Slightly soluble in alcohol, but INSOLUBLE in CONCENTRATED hydrochloric acid
6. .Hardness of 2.5 on the MOH scale of hardness.
7. Specific GRAVITY of 2.165.
8. Non-combustible – low toxicity.

Explanation:

Na3PO4​ is basic in nature

ANSWER:

Explanation:

Sieving is DEFINED as a method in which two or more components of different sizes are separated from a mixture on the basis of the difference in their sizes.

For example, in a flour MILL, impurities like husk and stones are removed from wheat before GRINDING it.

Answer:

1 d

2 e

3 f

4 b

5 a

6 c

dude above answer is just a guess not a correct answer

sorry

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Answer:

Generally the total PROPERTIES of ATOMS depend upon atomic NUMBER. During reaction, the no. of electrons CHANGES while PROTONS do not. In this way an atoms maintains its property through all chemical change

Answer:

me = mass of an ELECTRON (0.000548597 AMU) matom = mass of nuclide X Z A (amu) Z = atomic NUMBER (number of protons) A = mass number (number of NUCLEONS)

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OPTION a SODIUM ION (Na+)

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ANSWER:

OK........................

Answer:

Metals are malleable and can conduct HEAT and ELECTRICITY.

Non-metals are non-malleable and cannot conduct heat and electricity.

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ANSWER:

TRANSPARENT THINGS

Explanation:

We can SEE the things from transparent things

All ATOMS, EXCEPT __ CONTAIN NEUTRONS in their nuclei.

• All atoms, except HYDROGEN contain neutrons in their nuclei.

______________________♥

Answer:

A proton, a DEUTRON and an α- particle having the same kinetic energy are moving in circular trajectories in

a constant MAGNETIC field. If rp, rd and rα denote respectively the RADII of the trajectories of these particles,

then

(a) rα ˃ rd ˃ rp (B) rα= rp˂ rd `` (c) rα= rd ˃ rd (d) rα= rd = rd

ANSWER:

I THINK answer B is correct

I think answer b is correctusing a MAGNET....

Answer:

here is your answer...

Nitrogen is an example of DIATOMIC molecule

More info-

Molecular GEOMETRY All diatomic molecules are linear and characterized by a single PARAMETER which is the BOND length or distance between the two atoms. Diatomic nitrogen has a triple bond, diatomic oxygen has a DOUBLE bond, and diatomic hydrogen, fluorine, iodine, and bromine all have single bonds

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ANSWER:

PLEASE ASK the QUESTION with CLARITY

Answer:

Option C is correct

Explanation:

Tyndall effect is shown by those mixtures which are colloids....MILK and STARCH solution SHOW Tyndall effect as they are colloids.

salt solution and copper sulphate solution are solutions and THEREFORE don't show Tyndall effect.

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HLO BUDDY,

here is your ANSWER,

MOMENTUM.

ANSWER:

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ANSWER:

HI I am HAPPY to MEET you

Answer:

In the SUN's core, gravitational forces create tremendous pressure and temperatures. The temperature of the sun in this layer is about 27 million degrees Fahrenheit (15 million degrees CELSIUS). Hydrogen atoms are compressed and FUSE together, creating helium. This PROCESS is CALLED nuclear fusion.

Answer:

steel is another example of the solid, solid SOLUTION. it is an IRON SOLVENT WITHIN Karbonn salute

Explanation:

An acid will react with a metal to FORM a salt and hydrogen gas. The general word equation for the reaction between an acid and a metal is as FOLLOWS: acid + metal → salt + hydrogen.