CHEMISTRY HIGH SCHOOL

Which of the following statements is true?Nonmetals tend to gain electrons.
Metals tend to lose electrons.
Atoms have the natural tendency to fill their outermost shells.
All of the above.

Answers

Answer 1
Answer:

Answer: Metals tend to gain electrons.

Explanation: Hope this helps!!! Have an amazing day!
Answer 2
Answer:

Answer:

Non-metals tend to lose electrons

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The atomic mass of an element is 32.07 u and its atomic number is 16. The element forms a simple ion. The ion will most likely have a charge of (A) 1–
(B) 2–
(C) 3+
(D) 1+

Answers

Sulfur has mass of 32.07 u and its atomic number is 16. 
Sulfur usually is on -2, +4 or +6 level of oxidation (but it can be also on 5, 3, 2, 1, -1 ).

Out of given choices (B) is the most likely one.

How does the Law of Conservation of Mass relate to changes in physical state? How does it relate to chemical changes?

Answers

The Law of Conservation of Mass states that matter cannot be created nor destroyed. It can only be transformed from one state or substance to another. This means that this law applies to both physical and chemical changes. In physical changes, the substance before and after the phase change still has the same mass. In chemical changes, the mass of reactants will always have the same mass of products and by-products.

Do the same volumes of H2O and H2SO4 have the same number of molecules?

Answers

no, they do not. Hope I helped! :)

Which energy changes are associated with a liquid freezing?

Answers

Answer:

energy is released as potential energy decreases

Explanation:

EGD2020
From a liquid to a solid.

What are some pollutants that cause acid rain?

Answers

oil left from cras. carbon monoxcide, 

A science class is conducting an experiment that produces noxious fumes. Because of inadequate ventilation, some students begin to feel nauseated and dizzy. The first response should be to

Answers

To solve this we must be knowing each and every concept related to experiment. Therefore, the correct option is option A that is to leave the room and go to an area with fresh air.

What is experiment?

Any procedure where measurements are taken and tests are run to support or disprove a hypothesis is referred to as a scientific experiment.

A science class is conducting an experiment that produces noxious fumes. Because of inadequate ventilation, some students begin to feel nauseated and dizzy. The first response should be to leave the room and go to an area with fresh air.

Therefore, the correct option is option A that is to leave the room and go to an area with fresh air.

To learn more about experiment, here:

brainly.com/question/11205647

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HELP ASAPFor the reaction 2H2(g) + S2(g)<---> 2H2S(g), determine the equilibrium constant at 700oC if at this temperature, the equilibrium concentrations are as follows: [H2] = 0.208 M, [S2] = 1.13 × 10-6 M , [H2S] = 0.725 M A) 1.08 × 107 B) 3.49 C)4.55 × 10-7 D)3.22 × 106 E)441