Unit 1 Test Form A

What is the correct reading for the volume of water in the graduated cylinder below?

• 15 mL
• 16 mL
• 17 mL
• 18 mL

Which of these statements is true about two blocks of gold that are different shapes but have the same mass

• They have the same volume, but different densities.
• . They have different volumes, but the same density.
• They have different volumes and different densities.
• They have the same volume and the same density.

Which is an extensive property?

• hardness
• melting point
• mass
• density

Tags

NGSS.HS-PS1-7

Below is the chemical formula of copper (I) oxide. What is most likely to be true about the properties of copper oxide in relation to the properties of copper and oxygen?

• All three substances have similar properties
• Copper oxide has properties very similar to those of copper.
• Copper oxide has properties very similar to those of oxygen.
• All three substances have different properties.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What does (s) stand for in a chemical formula?

• solid
• solution
• sodium
• strawberry

Tags

NGSS.MS-PS1-4

Which of these statements is true about the conservation of mass?

• It is supported by measuring the mass of copper at the beginning and end of a copper cycle experiment and finding they are the same. .
• It states that good laboratory practice can prevent the accidental loss of lab materials.
• It states that small amounts of mass are always lost in the course of an experiment because of spills, measurement errors, and other factors
• It only applies to substances in the solid state, not to liquids and gases.

Tags

NGSS.HS-PS1-7

Most of the elements in the periodic table are

• solid metals
• liquid metals
• nonmetals
• halogens

What group is the least reactive group of elements in the periodic table?

• alkali metals
• halogens
• noble gases
• transition metals

Isotopes of uranium have different

• numbers of electrons
• numbers of protons
• atomic numbers
• atomic masses

Tags

NGSS.HS-PS1-8

Three elements X, Y and Z all share similar chemical properties. In the periodic table of elements, they mostly belong in the same

• row
• group
• period
• element