Chemical Formula Quiz

Which of the following statements accurately describe the chemical formula listed below? HClO₃ Select TWO correct answers.

• There are 3 elements in the formula.

• There are 4 elements in the formula.

• There are 6 total atoms in the formula.

• There are 3 total atoms in the formula.

• There are 5 total atoms in the formula.

Tags

NGSS.MS-PS1-1

Silver Nitrate, AgNO₃, is a chemical compound used in photography. How many atoms of oxygen make up this chemical compound?

• 1

• 2

• 3

• 5

Tags

NGSS.MS-PS1-1

Is the following picture a physical or chemical change?

• physical change

• chemical change

Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-4

Is the following picture a physical or chemical change?

• physical change

• chemical change

Is the following picture a physical or chemical change?

• physical change

• chemical change

Tags

NGSS.MS-PS1-2

A group of students are generating a statement that accurately describes the chemical formula displayed below. C₃H₇NO₂ What information would accurately complete the statement?

There are ___ elements and ___ total atoms involved in the chemical formula displayed.

• 2 elements and 12 total atoms

• 4 elements and 13 total atoms

• 3 elements and 14 total atoms

• 1 element and 9 total atoms

• 3 elements and 12 total atoms

Tags

NGSS.MS-PS1-1

Which of the following substances would be identified as a compound? Select TWO correct answers.

• H₂

• O

• CO

• NaBr

• N₂

Tags

NGSS.MS-PS1-1

Which of the following kitchen activities are examples of a physical change? Select THREE correct answers.

• Frying an egg

• Melting butter

• Slicing bread

• Boiling water

• Baking cookies

Which of the pictures are solutions? Select THREE correct answers.

• Images of lemonade

• Images of iced coffee

• Images of iced tea

• Images of mixed nuts

• Images of peanuts

Jillian filled four 150 mL beakers with water. She added a different material to each beaker and stirred it 10 times. From her list below, which substances dissolved in the beaker? Select TWO correct answers.

• Sugar

• Cooking oil

• Iron filings

• Sand

• Salt

Tags

NGSS.MS-PS1-2