Free Printable Electrons and the Periodic Table

1.

How many valence electrons are found in atoms of group 15?

a)

4

b)

5

c)

2

d)

3

2.

What are valence electrons?

a)

The total number of electrons in an atom

b)

The number of electrons in the outermost shell

c)

The number of electrons in the second shell

d)

The number of protons in the outermost shell

3.

Potassium ion

a)

Na⁺

b)

K⁺

c)

K²⁺

d)

K⁻

4.

Look at the periodic table. What should be the charge on the ion formed by calcium?

a)

+1

b)

+2

c)

-1

d)

-2

5.

Anions have

a)

gained electrons.

b)

lost electrons.

c)

gained protons.

d)

lost protons.

6.

What is an anion?

a)

A negatively charged ion

b)

An atom with no charge

c)

A positively charged ion

d)

A stable atom found on the periodic table

7.

If an atom loses electrons, the charge will be positive.

a)

true

b)

false

8.

Most elements are most stable when their outermost energy levels contain ________ electrons.

a)

2

b)

6

c)

8

d)

18

9.

What are the elements in group 17 of the periodic table called?

a)

Alkali metals

b)

Alkaline earth metals

c)

Halogens

d)

Noble gases

10.

What are the elements found along the "staircase" called? They have properties of both metals and non-metals.

a)

Metalloids

b)

Non-metals

c)

Transition metals

d)

Metals

11.

Which of the following contains elements with 1 valence electron?

a)

Alkali metals

b)

Alkali earth metals

c)

Halogens

d)

Noble gases

12.

There are how many periods on the periodic table

a)

7

b)

2

c)

18

d)

16

13.

Metals are found here on the Periodic Table

a)

Right

b)

Left and center

c)

Top only

d)

Bottom only

14.

These elements are non-metals

a)

Sb, O, C

b)

Au, S, Fl

c)

Ca, O, P

d)

Fl, Cl, Se

15.

______arranged elements in a periodic table according to the increasing order of atomic number

a)

John Newlands

b)

Dimitri Mendeleev

c)

Henry Mosely

d)

Lothar Mayer

16.

In the modern periodic table elements are arranged by:

a)

atomic mass

b)

valence electrons

c)

atomic number

d)

number of isotopes

17.

Why were there blank spaces left in Mendeleev's periodic table?

a)

He didn't know what to put there.

b)

Undiscovered elements not yet known.

c)

Multiple elements could have fit

d)

He forgot to add the elements in

18.

Which element is an alkaline earth metal?

a)

potassium

b)

strontium

c)

oxygen

d)

chlorine

19.

The vertical columns on the periodic table are called ________ and the horizontal rows are called _________

a)

periods, rows

b)

periods, groups

c)

groups, periods

d)

groups, rows

20.

Which of the following elements is an alkali metal?

a)

Cesium

b)

Barium

c)

Iodine

d)

Xenon

21.

The most reactive metals on the periodic table are the

a)

alkali metals

b)

alkaline earth metals

c)

transition metals

d)

rare earth metals

22.

The most reactive nonmetals are

a)

noble gases

b)

halogens

c)

metalloids

d)

chalcogens

23.

Which of the following properties best fits the following definition: the strength of an atom to attract electrons

a)

atomic radius

b)

electronegativity

c)

ionization energy

d)

reactivity

24.

Which group on the periodic table is the most electronegative?

a)

alkali metals

b)

alkaline earth metals

c)

halogens

d)

noble gases

25.

atoms that lose electrons and become positive ions are known as

a)

cations

b)

anions

26.

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

a)

Zinc

b)

Copper

c)

Nickel

d)

Germanium

27.

The 4 orbitals are

a)

s, p, d, f

b)

a, b, c, d

c)

2, 4, 6, 8

28.

Electron configuration of boron (B)

a)

$1s^{2^{\ }}2s^1\ 2p^1$

b)

$1s^2\ 2s^{2\ }2p^1$

c)

$1s^2\ 2s^1$

d)

$1s^1\ 2s^1\ 2p^1$

29.

What atom matches this electron configuration?
1s²2s²2p⁶3s²

a)

Neon

b)

Magnesium

c)

Aluminum

d)

Potassium

30.

The atom with the largest atomic radius in Group 18 is -

a)

Ar

b)

He

c)

Kr

d)

Rn

31.

The atom with the largest atomic radius in Period 4 (row 4) is -

a)

K

b)

Kr

c)

Fe

d)

Fe

32.

The element with the smallest ionization energy in Period 6 is -

a)

Rn

b)

Cs

c)

Os

d)

Tm

33.

What is one-half the distance between the nuclei of identical atoms that are bonded together?

a)

atomic radius

b)

atomic diameter

c)

atomic width

d)

atomic length

34.

What is a measure of the tendency of an atom to attract a bonding pair of electrons when the atom is in a compound?

a)

ionization energy

b)

electropositivity

c)

electronegativity

d)

electron energy

35.

What is a negatively-charged ion which forms when an atom gains electrons?

a)

cation

b)

anion

c)

electron

d)

ion

36.

Which atom has the largest atomic radius?

a)

potassium

b)

rubidium

c)

francium

d)

cesium

Electrons and the Periodic Table

Total questions: 36

Worksheet time: 22mins

Similar Resources on Wayground