What is the atomic Mass of Copper?

• 64

• 29

• 23

• 63

Tags

NGSS.MS-PS1-1

How many neutrons does an atom of Iron contain?

• 55.847

• 26

• 30

• 56

Tags

NGSS.MS-PS1-1

How many electrons does a balanced atom of oxygen contain?

• 8

• 16

• 0

• 15.9994

Tags

NGSS.MS-PS1-1

What is the atomic number of aluminum? What does this number represent?

• 17, number of neutrons

• 13, number of neutrons

• 13, number of protons OR electrons

• 27, number of neutrons + protons

Tags

NGSS.MS-PS1-1

What is the charge of a neutron

• Neutral ; No charge

• Positive

• Positive or negative, depending on the atom

• Negative

Where are protons located?

• In the energy levels surrounding the nucleus

• In the nucleus of an atom, with electrons

• In the nucleus of an atom, with neutrons

Which of the following is represented by the Bohr Model?

• Cl

• F

• Ne

• Li

Tags

NGSS.MS-PS1-1

How many electrons are in the outer most shell of Aluminum?

• 2

• 3

• 1

• 4

Tags

NGSS.MS-PS1-1

How many electrons are in the outermost shell of Phosphorus?

• 1

• 6

• 5

• 4

The vertical (up and down) columns in the Periodic Table are called

• groups

• towers

• periods

• atomic numbers