Question 1

If an element is malleable, ductile, and conductive of heat, which of the following is it most likely to be?

Accepted Answer

Copper (Cu)

Answer

Carbon (C)

Answer

Sulfur (S)

Answer

Iodine (I)

Question 2

Which statement about the reactivity of elements in a family is true?

Accepted Answer

Reactivity increases as you go down through the family

Answer

Reactivity increases as you go to the left in a family

Answer

Reactivity increases as you go to the right in a family

Answer

Reactivity increases as you go up through the family

Question 3

Sodium reacts easily with water.  Which of the following elements is likely to react with water in the same way?

Accepted Answer

Lithium (Li)

Answer

Neon (Ne)

Answer

Oxygen (O)

Answer

Phosphorus (P)

Question 4

Which best explains how elements are arranged on the modern periodic table?

Accepted Answer

Elements are arranged with number of protons increasing from left to right

Answer

Elements are arranged with number of protons decreasing from the left to right

Answer

Elements are arranged with the most reactive elements at the top

Answer

Elements are arranged with the most metallic elements on the right

Question 5

What is the difference between groups and periods on the periodic table?

Accepted Answer

Groups go up and down while periods go left to right

Answer

Groups go left to right while periods go up and down

Answer

Groups contain non-metallic elements while periods contain metallic elements

Answer

Groups contain metallic elements while periods contain non-metallic elements

Question 6

How are valence electrons related to reactivity?

Accepted Answer

The closer the number of valence electrons is to 1 or 7, the higher the reactivity

Answer

The fewer valence electrons, the higher the reactivity

Answer

The more valence electrons, the lower the reactivity

Answer

The closer the number of valence electrons is to 3 and 4, the higher the reactivity

Question 7

Saltwater is a ______________________ because its parts can be separated by physical means such as filtration and evaporation.

Accepted Answer

Mixture

Answer

Molecule

Answer

Compound

Answer

Element

Question 8

When a drink mix is added to water and stirred so that the powder is all evenly spread out in the solution a _____________________________ is formed.

Accepted Answer

Homogeneous mixture

Answer

Impure substance

Answer

Pure substance

Answer

Heterogenous mixture

Question 9

When you add heat energy to a liquid, what will happen to its molecules?

Accepted Answer

They will speed up as it evaporates

Answer

They will slow down as it freezes

Answer

They will slow down as it evaporates

Answer

They will speed up as it freezes

Question 10

_____________ is the opposite process to evaporation because instead of turning liquids to gases, it turns gases to liquids.

Accepted Answer

Condensation

Answer

Boiling

Answer

Melting

Answer

Freezing

Question 11

Which pair of elements has the MOST SIMILAR properties?

Accepted Answer

Nitrogen and Phosphorus

Answer

Potassium and Helium

Answer

Iodine and Calcium

Answer

Lithium and Boron

Question 12

Elements such as Carbon and Neon are __________________________ because they are not ductile, conductive, or malleable.

Accepted Answer

Non-metals

Answer

Metalloids

Answer

Transition Metals

Answer

Metals

Question 13

What name is given to elements such as Iron (Fe) in groups 3 – 12 of the periodic table?

Accepted Answer

Transition metals

Answer

Alkaline earth metals

Answer

Noble gases

Answer

Alkali metals

Question 14

Compounds and mixtures are DIFFERENT because:

Accepted Answer

Compounds can only be separated by chemical reactions but mixtures must be separated by physical processes

Answer

Mixtures can only be separated by chemical reactions and compounds cannot

Answer

Compounds and mixtures are the same thing

Answer

Compounds can only be separated by physical processes and mixtures cannot

Question 15

Which of the following would be an example of a PURE SUBSTANCE?

Accepted Answer

Gold

Answer

Milk

Answer

Peanuts

Answer

Air

Question 16

Which of the following patterns is true about periods on the periodic table?

Accepted Answer

Atomic number increases from left to right

Answer

Number of neutrons decreases from left to right

Answer

Atomic mass number decreases from left to right

Answer

Number of electrons decreases from left to right

Question 17

Liquids and gases are similar because:

Accepted Answer

Both do not have fixed shapes

Answer

Both only exist at subfreezing temperatures

Answer

Liquids and gases have nothing in common

Answer

Both have fixed shapes

Question 18

Which of the following elements is in the same period as Oxygen (O)?

Accepted Answer

Boron (B)

Answer

Silicon (Si)

Answer

Chlorine (Cl)

Answer

Iron (Fe)

Question 19

Elements that share properties with metals and non-metals, are called:

Accepted Answer

Metalloids

Answer

Alkali Metals

Answer

Noble Gases

Answer

Halogens

Question 20

What is true of the elements in the Noble Gas family?

Accepted Answer

They do not react with almost anything

Answer

They are considered metallic elements

Answer

They are the most reactive gases on the periodic table

Answer

They have two valence electrons

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