ChemThink Ions

What happened to the atom that has this symbol: S^2-

• It has gained 2 extra protons

• It has gained 2 extra electrons

• It has lost 2 protons

• It has lost 2 electrons

If an ion has 13 protons and 10 electrons, what is the charge on the ion?

• positive 3

• negative 3

• 10

• 13

Tags

NGSS.HS-PS1-7

If an ion has 34 protons and 36 electrons, what is the charge on the ion?

• positive 2

• negative 2

• 34

• 36

Tags

NGSS.HS-PS1-7

If an ion has 35 protons and 36 electrons, what is the charge on the ion?

• 1+

• 1-

• 35

• 36

Give the ion symbol for the ion that has 15 protons and 18 electrons.

• P^3-

• P³⁺

• P¹⁵

• P¹⁸

Tags

NGSS.HS-PS1-1

If a -1 ion has 10 electrons, what element is it?

• Neon (Ne)

• Sodium (Na)

• Fluorine (F)

• Oxygen (O)

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

If a -2 ion has 34 protons, what element is it?

• Germanium (Ge)

• Selenium (Se)

• Krypton (Kr)

• Chlorine (Cl)

Tags

NGSS.HS-PS1-1

Complete the ion symbol for the atom below. (Blue dots represent protons)

• Li⁺

• Li^-

• Be²⁺

• Be^2-

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Complete the ion symbol for the atom below. (Blue dots represent protons)

• O^2-

• O²⁺

• F⁺

• F^-

Tags

NGSS.HS-PS1-1

How many protons would be found in the ion whose symbol is O^2- ?

• 8

• 16

• 10

• 6