Isotope Test 2

The Modern Periodic Table of Elements is arranged by

• atomic mass
• atomic number
• valence electrons
• number of isotopes

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

A horizontal row of elements in the periodic table.

• column
• group
• period

A proton is....

• A negatively charged subatomic particle
• A positively charged subatomic particle
• A neutrally charged subatomic particle
• The only subatomic particle located in the nucleus

What is the atomic number of Oxygen?

• 6
• 7
• 8
• 9

How many protons does this isotope of titanium have?

• 48
• 22
• 26
• 70

Tags

NGSS.HS-PS1-8

What quantities vary between isotopes of an element?

• protons, electrons, and atomic mass
• protons, electrons, and atomic number
• neutrons and electrons
• neutrons and atomic mass

Tags

NGSS.HS-PS1-8

How many neutrons in C-14?

• 6
• 7
• 14
• 8

Tags

NGSS.HS-PS1-8

How many neutrons does the isotope below have?     ⁸⁹ ₃₆Kr

• 53
• 36
• 89
• 125

Tags

NGSS.HS-PS1-8

How many neutrons does an atom of the isotope Neon-22 have?

• 12
• 10
• 22
• 20

Tags

NGSS.HS-PS1-8

which explanation of this notation is correct?

•  12 is proton #
• 6 tells you there are 6 neutrons
• 6 tells you there are 6 protons
• 12 is not a mass # here

Tags

NGSS.MS-PS1-1