Elements

Question 1

When 1 carbon atom combines with 2 oxygen atoms, the resulting substance is called a(n) [___].

Revolt · Accepted Answer

compound

Question 2

The ion that is formed is [___].

Revolt · Accepted Answer

positive

Question 3

✔ one type of atomtwo types of atomsmore than two types of atoms

Revolt · Accepted Answer

one type of atom

Question 4

An electron in the first energy level of the electron cloud has [___] an electron in the third energy level.

Revolt · Accepted Answer

a lower energy than

Question 5

An isotope has the same number of [___] but a different number of [___] than other atoms of the same element.

Revolt · Accepted Answer

protons; An isotope has the same number of but a different number of than other atoms of the same element.: protons; An isotope has the same number of but a different number of than other atoms of the same element.: neutrons

Question 6

An isotope has the same number of [___] but a different number of [___] than other atoms of the same element.

Revolt · Accepted Answer

neutrons

Question 7

fluorine-[___]

Revolt · Accepted Answer

19

Question 8

When electrons are lost, a [___] ion is formed.

Revolt · Accepted Answer

positive; When electrons are lost, a ion is formed.: positive; When electrons are gained, a ion is formed.: negative

Question 9

When electrons are gained, a [___] ion is formed.

Revolt · Accepted Answer

negative

Elements Answers

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