Ions and atomic structure

THE NUMBER OF ELECTRONS  IN THIS PARTICLE WOULD BE
¹⁷Cl^-1

• 17
• 19
• 16
• 18

If an atom of oxygen has a charge of -2, how many electrons does the atom have?

• 18
• 6
• 8
• 10

Tags

NGSS.MS-PS1-1

If an atom of nickel has a charge of +3, how many electrons does the atom have?

• 28
• 25
• 26
• 31

Tags

NGSS.MS-PS1-1

How many neutrons does an atom of the isotope Neon-22 have?

• 12
• 10
• 22
• 20

Tags

NGSS.MS-PS1-1

What charge does an atom have if it LOSES an electron? 

• Positive (+)
• Negative (-)

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What is the number of neutrons?

• 34
• 79
• 45
• 35

What is the number of protons?

• 34
• 79
• 45
• 35

Li - 8 has how many neutrons?

• 3
• 4
• 5
• 6

How do cations form?

• Electrons gain or lose energy as they change orbitals.
• Atoms share electrons with other atoms.
• Atoms lose one or more valence electrons.
• Atoms gain one or more valence electrons.

How do anions form?

• Electrons gain or lose energy as they change orbitals.
• Atoms share electrons with other atoms.
• Atoms lose one or more valence electrons.
• Atoms gain one or more valence electrons.