Organizing the Elements - Periodic Table (8.P.1.2)

Question 1

At room temperature, more than half of the nonmetal elements are

Accepted Answer

gases.

Question 2

Describing a metal as malleable means that it can be pounded into a new shape.

Accepted Answer

True

Question 3

From an element’s location in the periodic table, you can predict

Accepted Answer

its properties.

Question 4

Fluorine, chlorine, bromine, and iodine are part of a family called

Accepted Answer

halogens.

Question 5

The most chemically reactive metals are in Group 1 of the periodic table.

Accepted Answer

True

Question 6

The elements that do not ordinarily form compounds are

Accepted Answer

noble gases.

Question 7

Elements known as ___________ are located to the right of the metalloids on the periodic table.

Accepted Answer

nonmetals

Question 8

How do the general properties of nonmetals compare to the general properties of metals?

Accepted Answer

Properties of nonmetals are mostly the opposite of metals.

Question 9

Nonmetals can be found on the left side of the periodic table.

Accepted Answer

False.

Question 10

To make most synthetic elements, scientists use powerful machines called

Accepted Answer

particle accelerators.

Question 11

Because atoms are so small,

Accepted Answer

scientists create models to describe them.

Question 12

The elements in a group of the periodic table have similar characteristics.

Accepted Answer

True

Question 13

Why are iron and other transition metals are used in construction instead of the alkali metals?

Accepted Answer

Alkali metals are highly reactive and not found uncombined.

Question 14

The atomic number of an element is based on the

Accepted Answer

number of protons in its nucleus.

Question 15

A material is said to be ductile if it

Accepted Answer

can be pulled out, or drawn, into a long wire.

Question 16

Mendeleev created the first periodic table by arranging elements in order of

Accepted Answer

increasing atomic mass

Question 17

Which particles in atoms have a negative electric charge?

Accepted Answer

electrons

Question 18

The elements in a column of the periodic table

Accepted Answer

have similar properties.

Question 19

Elements that easily transmit electricity and heat display the property known as

Accepted Answer

conductivity.

Question 20

The modern periodic table is organized according by atomic mass.

Accepted Answer

False

Question 21

The property of an element that indicates the number of protons in its atoms is the

Accepted Answer

atomic number

Question 22

A column of elements in the periodic table is called a group, or

Accepted Answer

family

Question 23

What information in the periodic table indicates the number of protons in an atom?

Accepted Answer

the element’s atomic number

Question 24

Scientists use _____ to study objects/events that are too small, large, slow, fast, to see.

Accepted Answer

models

Question 25

Mendeleev discovered periodic patterns appeared when he arranged elements by increasing

Accepted Answer

atomic mass

Question 26

Which of the following statements about transition metals is true?

Accepted Answer

They include metals such as gold, silver, copper, & nickel.

Question 27

The ___________ is the very small center core of an atom.

Accepted Answer

nucleus

Question 28

Which group of elements shares characteristics with both metals and nonmetals?

Accepted Answer

metalloids

Question 29

An element’s ____________________ can be predicted from its location in the periodic table.

Accepted Answer

properties

Question 30

In the periodic table, the most reactive metals are found

Accepted Answer

in Group 1, the first column on the left.

Question 31

Most metals are in the __________ state at room temperature.

Accepted Answer

solid

Question 32

Most metals are NOT

Accepted Answer

liquid at room temperature.

Question 33

The horizontal rows in the periodic table are known as groups.

Accepted Answer

False

Question 34

A substance that will conduct electricity only under certain conditions is called a(n) _______.

Accepted Answer

semiconductor

Question 35

The chemical reactivity of metals tends to ______ from left to right across the periodic table.

Accepted Answer

decrease

Question 36

Which parts of the atom move around the nucleus?

Accepted Answer

electrons

Question 37

In an atom, the number of protons equals the number of

Accepted Answer

electrons.

Question 38

Which of these statements about a column of the periodic table is true?

Accepted Answer

The elements have similar properties.

Question 39

Protons have no charge; they are neutral.

Accepted Answer

False

Question 40

Nonmetals are ___________ conductors of heat and electricity.

Accepted Answer

poor

Question 41

The elements in a row of the periodic table

Accepted Answer

have properties that change in a pattern.

Question 42

Which category contains the most elements?

Accepted Answer

metals

Question 43

At room temperature, all the metalloids are solids, while most nonmetals are ______________.

Accepted Answer

gases

Organizing the Elements - Periodic Table (8.P.1.2)

Questions 43

Organizing the Elements - Periodic Table (8.P.1.2)

Questions 43