Chemistry Unit 2 Review

Are electrons positive, negative, or neutral?

• positive

• negative

• neutral

Are protons positive, negative, or neutral?

• positive

• negative

• neutral

Tags

NGSS.HS-PS1-8

Are neutrons positive, negative, or neutral?

• positive

• negative

• neutral

Tags

NGSS.HS-PS1-8

What is the atomic number?

• The number of protons in 1 atom of the element.

• The number of protons and neutrons in 1 atom of the element.

• Atoms with the same number of protons but with different numbers of neutrons.

• The weighted average masses of all the isotopes of an element.

• The number of carbon atoms in 12,01g of C-12.

What is the mole?

• The number of protons in 1 atom of the element.

• The number of protons and neutrons in 1 atom of the element.

• Atoms with the same number of protons but with different numbers of neutrons.

• The weighted average masses of all the isotopes of an element.

• The number of carbon atoms in 12,01g of C-12.

What is the average atomic mass?

• The number of protons in 1 atom of the element.

• The number of protons and neutrons in 1 atom of the element.

• Atoms with the same number of protons but with different numbers of neutrons.

• The weighted average masses of all the isotopes of an element.

• The number of carbon atoms in 12,01g of C-12.

Tags

NGSS.HS-PS1-8

What is an isotope?

• The number of protons in 1 atom of the element.

• The number of protons and neutrons in 1 atom of the element.

• Atoms with the same number of protons but with different numbers of neutrons.

• The weighted average masses of all the isotopes of an element.

• The number of carbon atoms in 12,01g of C-12.

What is the mass number?

• The number of protons in 1 atom of the element.

• The number of protons and neutrons in 1 atom of the element.

• Atoms with the same number of protons but with different numbers of neutrons.

• The weighted average masses of all the isotopes of an element.

• The number of carbon atoms in 12,01g of C-12.

How many protons are in P-32?

• 15

• 30.9738

• 32

• 17

How many neutrons are in P-32?

• 15

• 30.9738

• 32

• 17

Tags

NGSS.HS-PS1-8