Atomic Structure and Periodic Table Study

Question 1

Atom&#x27;s with the same atomic number but different atomic mass are called ________.

Accepted Answer

Isotopes

Question 2

An atom contains 11 E. If a 12th E was added to the atom, the energy level into which it would be place is energy level:

Accepted Answer

3

Question 3

Protons and Neutrons in the nucleus are held together by ________________.

Accepted Answer

the strong nuclear force

Question 4

A charged particle that accounts for nearly half the mass of an atom is the:

Accepted Answer

proton

Question 5

Of the following statements, the one which is ALWAYS TRUE is:

Accepted Answer

All lithium atoms contain the same number of protons.

Question 6

Compared to protons, electrons have:

Accepted Answer

Much smaller mass and oposite charge.

Question 7

Atoms of the same element may contain:

Accepted Answer

The same number of protons but different number of neutrons.

Question 8

Atomic Number Is?

Accepted Answer

The number of electrons and protons in an atom.

Question 9

Protons and Neutrons are found grouped togther in:

Accepted Answer

Nucleus

Question 10

Electrons with higher energy are located:

Accepted Answer

Farther from the nueclus of the atom.

Question 11

The "Building Blocks" of matter are _______ and ______.

Accepted Answer

Atoms and Molecules

Question 12

Do any of the atom diagram below represent atoms of the same element?

Accepted Answer

Yes, atom A and atom C are the same element.

Question 13

What is the fundamental property of matter that can either be positive or negative?

Accepted Answer

Charge

Question 14

Which of the following statements about two isotopes of the same element is FALSE?

Accepted Answer

The number of protons might be different between two isotopes.

Question 15

Electrons are bound to the nucleus by:

Accepted Answer

Electromagnetic force

Question 16

An atom contains ___ in various energy levels.

Accepted Answer

Electrons

Question 17

The charge on a proton is:

Accepted Answer

+1

Question 18

What do we call the tiny core at the center of an atom, containing most of atom&#x27;s mass and all of its positive charge?

Accepted Answer

Nucleus

Question 19

Atoms with the same atomic number but different atomic masses are called _________.

Accepted Answer

Isotopes

Question 20

Many models have been developed to explain the nature of atoms. The model that helped scientists to know energy called:

Accepted Answer

Neils Bohr

Question 21

The mass of an atom is determined mainly by the _________.

Accepted Answer

Mass of the neutrons and protons

Question 22

A common isotope of iron has an atomic number of 26 and a mass number of 56. The total number of subatomic particles is.

Accepted Answer

56

Question 23

The charge on a neutral atom is equal to:

Accepted Answer

Zero

Question 24

A particle with a zero charge found in the nucleus of an atom is called a(n):

Accepted Answer

Neutrons

Question 25

The ____ is one kind of particle that makes up the atom and carries a positive charge:

Accepted Answer

protons

Question 26

British physicist J.J. Thomson was the first to identify the _________.

Accepted Answer

Electron

Question 27

A common isotope of carbon has a atomic number of 6 and mass number of 13, How many neutrons in an atom of this isotope.

Accepted Answer

7

Atomic Structure and Periodic Table Study

Questions 27

Atomic Structure and Periodic Table Study

Questions 27