OSM Properties of Atoms 1 SOL Review

Based on these properties, which element is most likely a nonmetal?

• Element 1

• Element 2

• Element 3

• Element 4

Which statements correctly compare metals and nonmetals?

• Metals tend to be good conductors of thermal energy. Nonmetals tend to be good insulators of thermal energy.

• Metals are dull and brittle. Nonmetals are shiny and malleable.

• Metals are good insulators of electricity. Nonmetals tend to be good conductors of electricity.

• Metals cannot be stretched into thin wires. Nonmetals can be stretched into thin wires.

Tags

NGSS.MS-PS3-3

A student is trying to classify an unidentified, solid gray material as a metal or a nonmetal. Which question will best help the student classify the material?

• Is the material malleable or ductile?

• Does the material feel hard to the touch?

• Will the material float in water?

• Does the material feel rough or smooth?

Which statement does NOT correctly compare silicon with another element?

• Silicon is a better conductor of electricity than sulfur.

• Silicon conducts electricity as well as copper does.

• Silicon is a solid at room temperature, but argon is a gas.

• Silicon is less malleable than silver.

Aluminum, sulfur, and chlorine are elements found on the periodic table. Tests involving these three elements would show that at normal room temperature —

• sulfur is malleable and aluminum conducts electricity

• chlorine is malleable and conducts electricity

• aluminum is malleable and conducts electricity

• all three elements are malleable and conduct electricity

Based on these observations, which sample is most likely a nonmetal?

• Sample 1

• Sample 2

• Sample 3

• Sample 4

Which of these statements about the mass of subatomic particles is true?

• The mass of a proton is the same as the mass of an electron.

• The mass of a neutron is the same as the mass of an electron.

• The mass of a neutron is much greater than the mass of a proton.

• The mass of a proton is much greater than the mass of an electron.

Which table correctly identifies the charges of subatomic particles?

• A) Charges of Subatomic Particles Particle | Charge Electron | Negative Neutron | Positive Proton | No charge

• B) Charges of Subatomic Particles Particle | Charge Electron | Positive Neutron | No charge Proton | Negative

• C) Charges of Subatomic Particles Particle | Charge Electron | Negative Neutron | No charge Proton | Positive

• D) Charges of Subatomic Particles Particle | Charge Electron | No charge Neutron | Negative Proton | Positive

The diagram shows a model of an atom. The model contains three different subatomic particles. Particles X and Y are inside the nucleus, and particle Z is outside of the nucleus. Which statements best describe the charges on the particles in this model?

• Both particles X and Y have a positive charge. Particle Z has a negative charge.

• Both particles X and Y have a negative charge. Particle Z has a positive charge.

• Either particle X or particle Y has a positive charge. Particle Z has a negative charge.

• Either particle X or particle Y has a negative charge. Particle Z has a positive charge.

Tags

NGSS.MS-PS1-1

If a fluorine atom has a mass number of 19, how many neutrons are in the atom?

• 8

• 9

• 10

• 19