Atomic radius generally increases as we move __________.

down a group and from right to left across a period

up a group and from left to right across a period

down a group and from left to right across a period

up a group and from right to left across a period

Ionization energy is...

how much energy it takes to remove an electron from an atom

the energy required to add an electron to a specific atom

the energy required to shield the outer electrons from the nucleus

a measure of the ability of an atom to attract electrons

the difference in the size of a negative ion compared to its atom is due to

an increase in electron-electron repulsion

a greater attraction to the nucleus

less electron electron repulsion

Why was Mendeleev's periodic table useful?

allowed for the prediction of the properties of missing elements.

It showed the elements arranged by the atomic number.

showed the atomic number of the elements.

As you move down the periodic table atoms get bigger. This is because ____________.

The atoms have more energy levels

As you move across the periodic table atoms tend to get smaller because, ______________.

the atoms have more protons that exert a stronger pull on electrons.

the atoms have more mass to increase the gravity of the nucleus.

the atoms have less mass to decrease the gravity of the nucleus.

the atoms have less electrons and held less tightly to the nucleus.

Chem Periodic table PRE/POST Test

Quiz

•

Chemistry

•

10th - 12th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-PS1-1, HS-PS1-2

Standards-aligned

Thomas Marth

Used 126+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Each column in the periodic table is called a

period

group

cluster

unit

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Elements which are shiny, conduct electricity and heat are called

metal

nonmetal

metalloid

gases

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which element is not a metal?

U (92)

Re (75)

Al (13)

C (6)

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The atoms along the staircase are called

metals

nonmetals

metalloids

noble gases

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Which is a halogen?

Helium

Chlorine

Oxygen

Neptune

Which is an alkali metal?

Magnesium

Iron

Sodium

Europium

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In what section would Transition Metals be found?

orange

light blue

blue

white

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Chem Periodic table PRE/POST Test

20 questions

Each column in the periodic table is called a

Elements which are shiny, conduct electricity and heat are called

Which element is not a metal?

The atoms along the staircase are called

Which is a halogen?

Which is an alkali metal?

In what section would Transition Metals be found?

_______ are horizontal rows of elements that contain increasing numbers of protons and electrons.

Which of the following will have a larger radius than Zinc (30)?

The period for Bromine (35) is ___________.

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