USE THE PERIODIC TABLE

How many valence electrons does Sulfur have?

• 32

• 6

• 16

• 4

Tags

NGSS.HS-PS1-1

Which elements have the most similar chemical properties?

• potassium and calcium

• silicon and carbon

• iodine and xenon

• francium and fluorine

An anion will be a ____ ion.

• negative

• positive

• neutral

• synchronous

What do you call the number of protons in an atom?

• Atomic Number

• Mass Number

• Isotope

• Valence electrons

Group on the periodic table that is naturally stable and does not react with other elements.

• Nobel Gases

• Alkali Metals

• Alkaline Earth Metals

• Halogens

An atom that has become charged by gaining or losing electrons.

• Ion

• Isotope

• Electron

• Valence Electron

Use your periodic table.

Calcium (Ca) ionizes and becomes a _______ cation.

• +1

• +2

• -1

• -2

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

If an atom gains an electron it is a(n)

• Positive ion

• Negative ion

• Isotope

• Neutral Atom

An atom's atomic mass comes from its

• Electrons

• Protons

• Electron Cloud

• Nucleus

Tags

NGSS.HS-PS1-8

Use your Periodic Table

Can an atom of Hydrogen have 2 protons?

• Yes, because it can be an ion

• Yes, because it can be an isotope

• No, because protons identify the atom

• No, because only neutral atoms exist