The Periodic Table

Question 1

Which element is the most electronegative?

Accepted Answer

C (6)

Question 2

What ion will be the largest?

Accepted Answer

Rb+

Question 3

Why do cations have a positive charge?

Accepted Answer

They have lost electrons.

Question 4

How did Mendeleev organize the elements on his periodic table?

Accepted Answer

By increasing atomic mass.

Question 5

Which of the following elements is a metalloid?

Accepted Answer

Sb

Question 6

What block on the periodic table is silver (Ag) found in?

Accepted Answer

d

Question 7

What periodic trend describes the ability of an atom to attract electrons when in a compound?

Accepted Answer

Electronegativity

Question 8

Among the groups of elements listed below, which have the same number of valence electrons?

Accepted Answer

N, P, As, Sb

Question 9

What element on the periodic table has the largest atomic radius?

Accepted Answer

Francium

Question 10

Why are the noble gases inert (unreactive)?

Accepted Answer

Their electron shells are full.

Question 11

What happens to atomic radius as you move from left to right across the periodic table?

Accepted Answer

It decreases.

Question 12

What does each period on the periodic table correspond with?

Accepted Answer

Number of energy levels.

Question 13

How does ionization change as you move from the top of the periodic table to the bottom?

Accepted Answer

It decreases.

Question 14

What type of ion will nitrogen form in a compound?

Accepted Answer

3- anion

Question 15

What type of element is lustrous and a good conductor of heat/electricity?

Accepted Answer

Metal

Question 16

Which side of the periodic table contains the most NONMETALS?

Accepted Answer

The right.

Question 17

Which of the following elements contains an electron in a d sublevel?

Accepted Answer

Fe

Question 18

How many valence electrons do the elements in group 6A have?

Accepted Answer

6

Question 19

The distance between the nuclei of these two sodium atoms is 190pm. What is the atomic radius?

Accepted Answer

95pm

Question 20

Where can you find the chalcogens?

Accepted Answer

Group 16

Question 21

What element on the periodic table has the highest electronegativity?

Accepted Answer

Fluorine

Question 22

How do ions compare in size to their neutral form?

Accepted Answer

Cations are smaller, anions are larger.

Question 23

What type of ion do nonmetals tend to form?

Accepted Answer

Anions, Negative ions

Question 24

What was the name of the Russian scientist that published the first periodic table?

Accepted Answer

Dmitri Mendeleev

Question 25

Of the following atoms, which has the smallest ionization energy?

Accepted Answer

Al

Question 26

What element on the periodic table has the highest ionization energy?

Accepted Answer

Helium

Question 27

What do you call the elements found in group 1A?

Accepted Answer

Alkali Metals

Question 28

What is atomic radius?

Accepted Answer

The distance between an atom's nucleus and valence electrons

Question 29

What element below would you expect to have similar properties to Be?

Accepted Answer

Ca

Question 30

What is one of the liquid elements on the periodic table?

Accepted Answer

Br (35), Hg (80)

Question 31

What element is shown in the Bohr model below?

Accepted Answer

F

Question 32

Why is the atomic radius of phosphorous larger than the atomic radius of nitrogen?

Accepted Answer

It has more energy shells due to a larger # of electrons.

Question 33

How do we order today's periodic table?

Accepted Answer

By increasing atomic number.

Question 34

Which of the following is NOT a metal?

Accepted Answer

B (5)

Question 35

What type of ion has a negative charge?

Accepted Answer

Anion

Question 36

What is another name for a COLUMN on the periodic table?

Accepted Answer

Family, Group

Question 37

What trend shows the energy required to remove an electron from an atom?

Accepted Answer

Ionization Energy

Question 38

Why is the atomic radius of beryllium smaller than the atomic radius of lithium?

Accepted Answer

It has more protons, e- are pulled closer to the nucleus.

Question 39

What name is given to the elements shown on the BOTTOM of the periodic table?

Accepted Answer

Actinides, Inner Transition Metals, Lanthanides

Question 40

What type of elements are generally gases, but if solid, can be very brittle?

Accepted Answer

Nonmetals

Question 41

The elements in Groups 1A-7A are also called...

Accepted Answer

Representative Elements

Question 42

What name is given to the elements in group 18?

Accepted Answer

Noble Gases

Question 43

What happens to electronegativity as you move from left to right across the periodic table?

Accepted Answer

It increases.

Question 44

What group on the periodic table has electron configurations ending is s2p5?

Accepted Answer

Group 15

Question 45

What is another name for a ROW on the periodic table?

Accepted Answer

Period

The Periodic Table

Questions 45

The Periodic Table

Questions 45