Hunting the Elements

There are _____________ unique substances (elements)

• 92

• 196

• 118

• 38

Tags

NGSS.MS-PS1-1

The number of _______________ determines what kind of element the atom is.

• electrons

• neutrons

• protons

Tags

NGSS.MS-PS1-1

What six main elements are found in you and me? ________ H N O P S (what is the missing element?)

• Carbon

• Cerium

• Cadmium

• Californium

Tags

NGSS.MS-LS1-1

About 90% of all atoms in the universe are __________________. They are also what makes up the sun (along with helium).

• hydrogen

• oxygen

• iron

• carbon

Tags

NGSS.MS-PS1-1

Which item on this element square is the chemical symbol?

• Copper

• 29

• Cu

• 63.546

How many valence electrons does Silicon Have?

• 1 Valence electron

• 2 Valence electron

• 3 Valence electron

• 4 Valence electron

• 5 Valence electron

Tags

NGSS.MS-PS1-1

Made up of only 1 type of atom

• Compound

• Molecule

• Element

• Mixture

Tags

NGSS.MS-PS1-1

How many valence electrons does Potassium Have?

• 1 Valence electron

• 2 Valence electron

• 3 Valence electron

• 4 Valence electron

• 5 Valence electron

Which of these samples shown best represents an element?

• A

• B

• C

• D

Tags

NGSS.MS-PS1-1

An element is

• Made up of different types of atoms

• Made up of the same type of atoms

• none of the above

• all of the above

Tags

NGSS.MS-PS1-1