Elements

Question 1

Question 1

Revolt · Accepted Answer

one type of atom

Question 2

Question 5

Revolt · Accepted Answer

a lower energy than

Question 3

Use the drop-down menus to complete the statement. An isotope has the same number of but a different number of than other atoms of the same element.

Revolt · Accepted Answer

Selection 1: protons; Selection 2: neutrons

Question 4

Use the drop-down menus to complete the statements. When electrons are lost, a ion is formed. When electrons are gained, a ion is formed.

Revolt · Accepted Answer

positive; Selection 1: positive; Selection 2: negative

Question 5

Question 14

Revolt · Accepted Answer

negative

Question 6

The aluminum atom electrons to form an ion. The ion that is formed is .

Revolt · Accepted Answer

loses; Selection 1: loses; Selection 2: positive

Question 7

Question 20

Revolt · Accepted Answer

positive

Elements Answers