Atoms, Ions and Isotopes

What charge does an atom have when it GAINS electrons?

• Positive

• Negative

• Neutral

What is the atomic mass of bromine?

• 35

• 45

• 80

• 79.904

Tags

NGSS.MS-PS1-1

How many neutrons does this bromine atom have?

• 35

• 45

• 80

Tags

NGSS.MS-PS1-1

What type of ion is this?

• Neutral atom

• Cation

• Anion

• Isotope

Tags

NGSS.HS-PS1-1

What two particles determine the mass number?

• Protons and electrons

• Electrons and neutrons

• Protons and neutrons

Tags

NGSS.HS-PS1-8

What is the atomic number of this Neon atom?

• 10

• 11

• 21

• 20

Tags

NGSS.MS-PS1-1

How many electrons does this magnesium ion have?

• 24

• 12

• 10

• 14

Tags

NGSS.MS-PS1-1

What is the charge on a lithium atom that looses 1 electron?

• +1
• 0
• -1
• -2

Tags

NGSS.MS-PS1-1

Is the element shown in this image an ion, isotope or normal atom?

• atom
• isotope
• cation (+ ion)
• anion (- ion)

Tags

NGSS.MS-PS1-1

Which atom has  4 neutrons?

• Li-6
• Li-7
• Li-8
• they have the same # of neutrons

Tags

NGSS.MS-PS1-1