What is the number of protons that the element in this image contain?

• 14
• 7
• 15
• 18

Tags

NGSS.MS-PS1-1

The particles that are found in the nucleus of an atom are

• neutrons and electrons
• electrons only
• protons and neutrons
• protons and electrons

What element is this?

• Helium
• Hydrogen
• Argon
• Silver

Tags

NGSS.HS-PS1-1

What does an atom's period tell us?

• Number of protons
• Number of electrons
• Number of valence electrons
• Number of shells

What does an atom's group tell us?

• Number of protons
• Number of electrons
• Number of valence electrons
• Number of shells

The second energy level can hold up to how many electrons?

• 2
• 8
• 10
• 12

What is the atomic mass of "F"

• 9
• 18
• 17
• 19

elements that are shiny, malleable, ductile, and good conductors of heat and electricity

• metals

• nonmetals

• metalloids

• semiconductors

Tags

NGSS.HS-PS1-1

shiny property of metals

• metallic bonding

• metallic luster

• malleable

• ductile

metals that can be hammered and rolled into sheets

• malleable

• ductile

• metallic luster

• ions