Periodic Table and Elements

Question 1

The atomic mass of an element is equal to the number of:

Accepted Answer

protons and neutrons

Question 2

The modern periodic table is arranged in order of increasing:

Accepted Answer

atomic number

Question 3

The atomic number of an element is equal to the number of:

Accepted Answer

protons

Question 4

Which gas can build up in the lower level of structures and cause health problems

Accepted Answer

radon

Question 5

Which of the following elements is the most abundant in the Earth's crust?

Accepted Answer

silicon

Question 6

The scientist attributed with developing the first periodic table is:

Accepted Answer

Dmitri Mendeleev

Question 7

Which of the following metals is a liquid at room temperature:

Accepted Answer

mercury

Question 8

Which of the following is a distinctive property of uranium?

Accepted Answer

It is radioactive

Question 9

The right hand side of the periodic table represents which type of element?

Accepted Answer

nonmetals

Question 10

When was the element Meitnerium discovered?

Accepted Answer

1982

Questions 10