Atoms, Periodic Table, and Chemical Reactions

Question 1

Which of the following best explains what happens during cell respiration?

Accepted Answer

B

Question 2

How many sulfur atoms are in the formula for sodium sulfate?

Accepted Answer

A

Question 3

Which chart correctly identifies the period and group for the elements listed?

Accepted Answer

C

Question 4

All of the following elements are metals except -

Accepted Answer

D

Question 5

Why is the compound below considered inorganic?

Accepted Answer

A

Question 6

Which substance is classified as an element?

Accepted Answer

J

Question 7

Which property of an unknown element determines how it reacts with another element?

Accepted Answer

D

Question 8

Name the element described in the chart below.

Accepted Answer

C

Question 9

Which of the following best describes an electron?

Accepted Answer

B

Question 10

How many different elements are involved in the reaction shown?

Accepted Answer

3

Question 11

Which information could a student determine from only the chemical formula of a protein?

Accepted Answer

J

Question 12

Which equation is balanced?

Accepted Answer

D

Question 13

An atom of which element is represented by this model?

Accepted Answer

Boron

Question 14

Compounds A and B were combined forming a white substance.What happened to produce this result?

Accepted Answer

G

Question 15

In the chemical equation, the elements are rearranged to form new products. Name the compound.

Accepted Answer

A

Question 16

How many atoms are in the molecular formula for serotonin?

Accepted Answer

25

Question 17

Based on the chemical formulas, which is an organic compound?

Accepted Answer

A

Question 18

Name an element which reacts like phosphorus but has a greater mass.

Accepted Answer

Arsenic

Question 19

Which of the following would be the chemical formula for sulfuric acid?

Accepted Answer

C

Question 20

Which two atoms are similar?

Accepted Answer

G

Question 21

Which of the following is a noble gas?

Accepted Answer

Ne

Question 22

The products created are best classified as-

Accepted Answer

C

Question 23

Which of the following elements are the least reactive?

Accepted Answer

D

Question 24

Which two elements are most similar?

Accepted Answer

C

Question 25

What type of particles are found in the cloud surrounding the atom's nucleus?

Accepted Answer

B

Atoms, Periodic Table, and Chemical Reactions

Questions 25

Atoms, Periodic Table, and Chemical Reactions

Questions 25