A(n) _____________ cannot be broken down into any other substances.

• mixture

• molecule

• element

• compound

Fe is the ___________________ for iron

• atomic number

• chemical symbol

• atomic mass

• protons

How many elements are listed on the periodic table?

• 91

• 112

• 118

• 200

Calcium's chemical symbol is ____________, carbon's chemical symbol is _________, and chlorine's chemical symbol is __________.

• C, Cl, Ca

• Ca, Cl, C

• Cl, Ca, C

• Ca, C, Cl

Tags

NGSS.MS-PS1-1

Al stands for ___________, Au stands for _________, and Ag stands for ________.

• aluminum, silver, gold

• gold, silver, aluminum

• silver, gold, aluminum

• aluminum, gold, silver

CHOOSE ALL OF THE FOLLOWING chemical symbols that are correctly paired with their element name.

• Copper... Co

• Fluorine... Fl

• Helium... He

• Hydrogen... H

Which of the following are INCORRECTLY paired? CHOOSE ALL THAT APPLY

• Iodine... I

• Iron...Ir

• Lead...Pb

• Magnesium...M

Tags

NGSS.MS-PS1-1

Which of the following are CORRECTLY paired? CHOOSE ALL THAT APPLY.

• Mercury...Hg

• Silver...Ag

• Gold...Au

• Magnesium...Mg

Which of the following are paired INCORRECTLY? CHOOSE ALL THAT APPLY.

• Neon...Ne

• Nitrogen...N

• Nickel...Ni

• Potassium...P

Oxygen's chemical symbol is __________, and U is the chemical symbol for _____________.

• Ox, uranium

• X, uracil

• O, uranium

Tags

NGSS.MS-PS1-1