Quiz about Hamilton County Benchmark 1 Spiral Review 23-24

Question 1

A student makes an atomic model, as shown. How should the atomic model be corrected to represent and atom accurately?

Accepted Answer

The nucleus should be located at the center of an atom

Answer

Electrons should not have any charges

Answer

Neutrons should not reside in the nucleus

Answer

Protons and neutrons should both have positive charges

Question 2

A group of students are given three different-colored circles to make an atomic model of a carbon atom. The chart shows the colored circle that represents each particle in the atom.

Which diagram represents the correct atomic model for a carbon atom?

Accepted Answer

Question 3

Review the portion of the periodic table shown.

Which statement about the elements is true?

Accepted Answer

Oxygen and sulfur share similar properties

Answer

Carbon and nitrogen share similar properties

Answer

Carbon and silicon have the same number of electrons

Answer

Oxygen and phosphorus have the same number of protons

Question 4

The table lists three elements and their properties.

How will these elements most likely be arranged on the periodic table?

Accepted Answer

Question 5

Which model accurately shows an atom with 4 protons, 4 electrons, and 3 neutrons?

Accepted Answer

Question 6

A helium atom has two protons, two neutrons, and two electrons. Which model accurately represents the correct positions of the charged particles in a helium atom?

Accepted Answer

Question 7

This is a diagram of an oxygen atom.

What is the mass number of oxygen?

Accepted Answer

16

Answer

0

Answer

8

Answer

24

Question 8

Using the periodic table as a reference, which pair of elements are nonmetals?

Accepted Answer

oxygen and sulfur

Answer

cobalt and zinc

Answer

mercury and lead

Answer

sodium and iodine

Question 9

Examine the portion of the periodic table.

How can the outer shell of chlorine be described?

Accepted Answer

The outer shell has 7 valence electrons.

Answer

The outer shell has 0 valence electrons.

Answer

The outer shell has 2 valence electrons.

Answer

The outer shell has 8 valence electrons.

Question 10

Jamie poured a mixture of sand and salt water into a beaker through a funnel lined with filter paper. What will be found in the beaker after filtering?

Accepted Answer

salt and water

Answer

salt only

Answer

sand only

Answer

salt and sand

Question 11

When chemical W is added to a liquid, the chemical breaks down into substances X, Y, and Z. It is not possible to break down substances X, Y, and Z into simpler substances. What conclusion is supported by this evidence?

Accepted Answer

Substances X, Y, and Z are elements.

Answer

Chemical W is an element.

Answer

Chemical W is a pure substance.

Answer

Substances X, Y, and Z are compounds.

Question 12

A student finds a beaker containing a substance in the laboratory. The student filters the contents of the beaker and notices that a solid is left on the filter paper.

What can the student conclude about the type of matter of the original material?

Accepted Answer

The original material was a mixture.

Answer

The original material was a compound.

Answer

The original material was either an element or a compound.

Answer

The original material was either a mixture or a compound.

Question 13

Examine the particle diagrams.

Which diagrams can be classified as elements?

Accepted Answer

diagrams 2 and 4

Answer

diagrams 1 and 3

Answer

diagrams 3 and 2

Answer

diagrams 4 and 1

Question 14

Which diagram arrangement represents a compound?

Accepted Answer

Question 15

A student observes models of four different molecules and makes a list of observations.

Which molecules can be classified as elemental molecules?

Accepted Answer

2 and 4

Answer

1 and 2

Answer

1 and 3

Answer

3 and 4

Question 16

The atomic arrangements of two substances (A and B) are shown in the diagram.

Which statement describes one of the substances correctly ?

Accepted Answer

Substance B is a compound as the atoms can be separated only by chemical processes.

Answer

Substance A is an element as atoms are not combined chemically.

Answer

Substance A is a compound as two different types of atoms are present.

Answer

Substance B is a mixture as the atoms can be separated by any physical process.

Question 17

A student designs an animation to visualize how the particles in a substance change when heat is added. How can the teacher verify that the animation is accurate?

Accepted Answer

Adding heat creates the effect of increased spacing between particles.

Answer

Adding heat creates the effect of increased particle size.

Answer

Adding heat creates the effect of decreased spacing between particles.

Answer

Adding heat creates the effect of decreased particle size.

Question 18

When heat energy is added to water in a pot on a stove, what changes occur to the water?

Accepted Answer

Particles move faster, and temperature increases.

Answer

Particles move slower, and temperature increases.

Answer

Particles move faster, and temperature decreases.

Answer

Particles move slower, and temperature decreases.

Question 19

During an experiment, a researcher applies pressure on a gas in a closed container using a movable piston, as shown.

Which model can be used to describe the particle arrangement of the gas before and after the pressure is applied if there is no phase change?

Accepted Answer

Question 20

The image shows two different atomic models made by two students.

What can be concluded about the models?

Accepted Answer

Model 2 is accurate because it shows protons and neutrons at the center of the atom and electrons in orbits around the center.

Answer

Both models are accurate because they show protons and electrons inside the nucleus.

Answer

Model 1 is accurate because the numbers of protons and electrons inside the atom are the same.

Answer

Both models are accurate because they contain positively charged protons and negatively charged electrons.

Question 21

Which model accurately shows the charges and relative sizes of each of the subatomic particles that compose an atom?

Accepted Answer

Question 22

The image shows an incomplete model of an atom.

Which particles should be placed inside the nucleus?

Accepted Answer

protons and neutrons

Answer

protons only

Answer

electrons only

Answer

electrons and protons

Question 23

Use the blank periodic table to answer the question.

Which characteristic would best describe the element in the box numbered "4"?

Accepted Answer

poor conductor

Answer

malleable

Answer

solid

Answer

synthetic chemical

Question 24

Referring to the reference periodic table, what do the elements fluorine, chlorine, and bromine have in common?

Accepted Answer

All have the same number of valence electrons.

Answer

All are located in the same period.

Answer

All have metallic properties.

Answer

All are halogens, so they are not very chemically active.

Question 25

The table lists the properties of substance A.

Which term best classifies substance A?

Accepted Answer

homogenous mixture

Answer

compound

Answer

element

Answer

heterogenous mixture

Hamilton County Benchmark 1 Spiral Review 23-24

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