The Expanding Universe

Question 1

Use the drop-down menus to answer the questions.Which subatomic particles are indicated by the orange circles in the diagram?

Revolt · Accepted Answer

B: protons

Question 2

Which statement about isotopes is correct?

Revolt · Accepted Answer

C: Isotopes are the same element with the same number of protons but different numbers of neutrons.

Question 3

Question 3

Revolt · Accepted Answer

C: The bond in H2 is broken, and new bonds are formed between hydrogen and oxygen atoms.; D: Each electron associated with a hydrogen atom is shared with an oxygen atom.

Question 4

The diagram shows three isotopes. What element is represented?

Revolt · Accepted Answer

A: hydrogen

Question 5

Question 5

Revolt · Accepted Answer

A: It represents a reaction that involves rearrangement of atoms.; C: It represents a reaction in which hydrogen electrons and oxygen electrons undergo change.

Question 6

Which subatomic particles are indicated by the green circles in the diagram?

Revolt · Accepted Answer

C: neutrons

Question 7

What element is represented by the atom shown in this diagram?

Revolt · Accepted Answer

B: helium

The Expanding Universe Answers

More from this Course

TRY EDGENUITY HACKS