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3 years ago

What determines whether something is a solid, a liquid or a gas?

Chemistry

2 answers:

umka21 [38]3 years ago

5 0

Also, how fast the molecules are moving within the state of matter and how spread out they are.

boyakko [2]3 years ago

4 0

Answer:

the properties of the molecules in it

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Which of the following trends can be identified on the periodic table?

Jet001 [13]

Answer:

D) atomic radii increase from top to bottom of a group

Explanation:

Atomic radii trend along group:

As we move down the group atomic radii increased with increase of atomic number. The addition of electron in next level cause the atomic radii to increased. The hold of nucleus on valance shell become weaker because of shielding of electrons thus size of atom increased.

As the size of atom increases the ionization energy from top to bottom also decreases because it becomes easier to remove the electron because of less nuclear attraction and as more electrons are added the outer electrons becomes more shielded and away from nucleus.

Other options are incorrect because,

A) atomic radii increase from left to right across the period

Correct = atomic radii decreases from left to right across the period

B) ionization energy increases from top to bottom within a family

Correct = ionization energy decreases from top to bottom within a family

C) electronegativity decreases from left to right across a period

Correct = electronegativity increases from left to right across a period

8 0

4 years ago

I have 2 questions....but it's multiple choice for 1 of them.

Taya2010 [7]

1. Blood is an organic compound

2. B)

4 0

3 years ago

Read 2 more answers

"For the following Chemical Reaction : 2HBr(aq)+BaOH2(aq)-->2H2O(l)BaBr2(aq) .. write the ionice equation, including phases.

Alex_Xolod [135]

The answer is aq--^781;

3 0

3 years ago

03/08/2020

Tanzania [10]

Explanation:

According to your question, 

no. a. ans would be like; chemical formula is defined as the an expression which determines no. and type of molecule of a compound. 

b. no. ans; it tells that what type of compound is formed with the type and no. of atoms present in the atom.

c. no ans; the formulation of h2so4 states that it is acid named as hydrochloric acid which is formed by reacting of hydrogen (2 atoms ) ,sulpher (*1atom) and oxygen(4atoms).

Hope it helps...

8 0

3 years ago

Which describes any substance that shatters or breaks easily?

Daniel [21]

Answer:

Brittle

Explanation:

3 0

3 years ago

Read 2 more answers