Periodic Table

the basic structural unit of matter

• atom

• matter

• element

• nucleus

Tags

NGSS.MS-PS1-1

the positively charged subatomic particle contained in the nucleus of an atom

• proton

• neutron

• electron

• matter

Tags

NGSS.HS-PS1-8

a subatomic particle, contained in the nucleus of an atom, having the same mass as a proton but no electrical charge

• proton

• neutron

• electron

• matter

Tags

NGSS.HS-PS1-8

a negatively charged subatomic particle that orbits the nucleus of an atom

• proton

• neutron

• electron

• matter

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NGSS.HS-PS1-1

a unique number for each element that equals the number of protons in an atom of that element

• element name

• element symbol

• atomic number

• atomic mass

an atom or group of atoms that has gained or lost one or more electrons and is now either positively or negatively charged

• isotope

• ion

• orbital

• nucleus

What is the atomic number of Barium, Ba? (enlarge the periodic table)

• 20

• 38

• 56

• 88

Tags

NGSS.MS-PS1-1

How many protons are in a sodium atom, Na? (tap to enlarge the periodic table)

• Sodium has 1 proton.

• Sodium has 3 protons.

• Sodium has 11 protons

Tags

NGSS.MS-PS1-1

If an atom has 10 electrons, how many protons does it have?

• 0

• 1

• 10

• 5

Tags

NGSS.MS-PS1-1

What does the 6 represent?

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

Tags

NGSS.HS-PS1-1