PSH - 22-23 Ptable and Valence Electrons

The first energy shell can hold ______ electrons.

• 2

• 8

• 18

Tags

NGSS.MS-PS1-1

Elements in the same group or column have the same ...

• # of valence electrons

• # of shells

• # of protons

• Mass Number

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The number at the bottom of each square on the periodic table is the ...

• atomic number
• atomic mass
• chemical symbol
• element name

Tags

NGSS.HS-PS1-1

The atomic number tells you what?

• number of electrons
• number of protons
• number of neutrons
• both electrons and protons in an atom.

Which is a halogen?

• Helium
• Chlorine
• Oxygen
• Neptune

Which is an alkali metal?

• Magnesium
• Iron
• Sodium
• Europium

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The atomic number of this pictured element is

• 28
• 58.6934
• Ni
• Nickel

Tags

NGSS.HS-PS1-1

Group Name and Number for Neon

• Alkaline Earth Metals 2 or 2A
• Noble Gases 18 or 8A
• Halogens 17 or 7A
• Alkali Metals 1 or 1A

Group Name and Number for Flourine

• Transition Metals 3-12
• Noble Gases 18 or 8A
• Halogens 17 or 7A
• Alkali Metals 1 or 1A

Group Name and Number for Magnesium

• Alkaline Earth Metals 2 or 2A
• Noble Gases 18 or 8A
• Halogens 17 or 7A
• Alkali Metals 1 or 1A