Elements & Periodic Table

Question 1

On the periodic table, the atomic # increases by ____ protons from left to right.

Accepted Answer

one

Question 2

The atomic number for Tungsten is _______ .

Accepted Answer

74

Question 3

Which element is not part of the metalloids?

Accepted Answer

Tin

Question 4

Nonmetals are on the ________ section of the periodic table.

Accepted Answer

right

Question 5

Metalloids have properties of ________ and ________ and are located near the ________ .

Accepted Answer

nonmetals/metals/stairs

Question 6

The chemical symbol H is used for the element ____

Accepted Answer

hydrogen

Question 7

The elements Pr (Praseodymium), Eu (Europium) and Er (Erbium) are all in the ______ period.

Accepted Answer

6th

Question 8

The noble gases are in group ___

Accepted Answer

eighteen, 8a

Question 9

Groups on the periodic table contain ________ with similar properties.

Accepted Answer

chemicals, elements

Question 10

The number of neutrons for Plutonium is _____ .

Accepted Answer

150

Question 11

The symbol for Carbon on the periodic table is _____

Accepted Answer

C

Question 12

The noble gases include chemicals ________ .

Accepted Answer

Ne / Kr / Xe

Question 13

The Actinide Series has elements with atomic numbers ________ through ________ .

Accepted Answer

90 / 103

Question 14

Element families are in ___________ columns while periods are in _________ rows.

Accepted Answer

vertical / horizontal

Question 15

Iodine, Astitine, and Bromine are in the family of __________ .

Accepted Answer

Halogens

Question 16

Table salt is comprised of two elements, sodium and chlorine; their symbols are _________ .

Accepted Answer

Na / Cl

Question 17

The atomic mass for iron is _____ and its symbol is_____.

Accepted Answer

56 / Fe

Question 18

Transitional elements are located in groups ______ to ______ on the periodic table.

Accepted Answer

3 / 12

Question 19

Strontium is located in the ________________ family of elements.

Accepted Answer

alkali earth

Question 20

To have a neutral charge, elements must have the same number of ___________ and ___________.

Accepted Answer

protons / electrons

Question 21

Elements that are liquid at room temperature include mercury and ___________ .

Accepted Answer

Br

Question 22

The chemical symbol for sodium is __

Accepted Answer

Na

Question 23

The phase state of a chemical can be _________ .

Accepted Answer

solid/liquid/gas

Question 24

Metals are on the ____________ of the periodic table.

Accepted Answer

left side

Question 25

Oxygen has the symbol ______ and atomic number ______ .

Accepted Answer

O / 8

Elements & Periodic Table

Questions 25

Elements & Periodic Table

Questions 25