periodic table

In the modern periodic table elements are arranged by:

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

All matter is made of .....

• energy 
• atoms 
• air
• chemistry

Tags

NGSS.MS-PS1-1

The atomic number of an element tells the number of _____ in the nucleus of an atom of that element.

• protons
• neutrons
• electrons
• isotopes

Tags

NGSS.HS-PS1-7

An element is made up of only one kind of _____.

• isotope
• plastic
• atom
• metal

Tags

NGSS.MS-PS1-1

Which is an electron?

• A
• B
• C

Tags

NGSS.MS-PS1-1

Which item on this element square is the chemical symbol?

• Copper
• 29
• Cu
• 63.546

Tags

NGSS.MS-PS1-1

Which item on this element square represents the atomic number?

• 13
• Al
• Aluminum
• 26.981538

Tags

NGSS.MS-PS1-1

What is the atomic mass of "F"

• 9

• 18.99

• 17

• 19

What element primarily makes a diamond?

• Hydrogen
• Silver
• Carbon
• Calcium

Tags

NGSS.MS-PS1-1

What is the symbol for Carbon?

• C
• Ca
• Cl
• H