What is this an example of?

• compound because it is made up of 3 different elements bonded together

• a molecule because it is the same element bonded together

• compound because it is made up of 2 different elements bonded together

• an element because it is the simplest form of matter

Tags

NGSS.MS-PS1-1

How many protons (called the atomic number) are in Sodium (Na)? Hint: It is always a whole number, not a decimal)

• 22.99

• 22

• 11

• 23

Tags

NGSS.MS-PS1-1

What is the volume of the two red marbles?

• 2 mL

• 4 mL

• 6 mL

• 8 mL

The difference in volume in a graduated cylinder when an object is added is called....

• displacement method

• density

• mass

• weight

To find out what the volume of the object is, we use the formula:

• final volume + initial volume

• final volume - initial volume

• final volume x initial volume

• final volume = initial volume

Which term describes a substance made of TWO or more elements chemically bonded together?

• Mixture

• Atom

• Compound

• Volume

The number of PROTONS in any element (like the example here for Nitrogen) is called the ____________ number

• molecule

• atomic

• Periodic

• Atoms don't have protons

Tags

NGSS.MS-PS1-1

(a)   is a chart that organizes all known elements by their properties.

• Meniscus
• Periodic Table
• Mixture
• Molecule

What is the smallest SINGLE part (unit) of a chemical ELEMENT that retains its chemical properties?

The term for the amount of space an object occupies is .