Log in
Sign up for FREE
arrow_back
Library

Periodic table and Structure of Atom

star
star
star
star
star
Last updated about 6 years ago
20 questions
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Question 1
1.

Which one of which of the following is not a part of an atom?

Question 2
2.

A particle in the nucleus with no electrical charge is known as a(n)

Question 3
3.

Isotopes are atoms of the same element with the same number of protons and

Question 4
4.

Question 5
5.

An atom becomes negatively charged by

Question 6
6.

What is the maximum number of electrons that are allowed on the second shell/orbit?

Question 7
7.

Construct a Bohr model for Carbon

Question 8
8.

What is unique about the number of neutrons in a normal hydrogen atom?

Question 9
9.

An atom can be identified by the number of_______________in the nucleus of an atom.

Question 10
10.

What is the greatest number of valence electrons an atom can have?

Question 11
11.

Potassium has an atomic number of 19 and a mass number of 39. So, it has _________________neutrons.

Question 12
12.

Which of the following would be an isotope of aluminum?

Question 13
13.

Which statement is true about the Periodic Table?

Question 14
14.

In the Periodic Table, the vertical columns that extend down the Periodic Table are called

Question 15
15.

The lanthanides are placed in the Periodic Table at the

Question 16
16.

How many elements are there on the periodic table?

Question 17
17.

Hydrogen is located in Group_________of the Periodic Table.

Question 18
18.

Which scientist is credited with inventing the Periodic Table?

Question 19
19.

Elements in Group 18 on the periodic table are known as

Question 20
20.

In the Modern Periodic Table, the elements are arranged in order of

Molecule
Neutron
Electron
isotope
electron
Neutron
a different number of molecules
a different number of neutrons
the same number of neutrons
In an element with a neutral charge, the atomic number is equal to the number of
(a )atoms
(b) nucleus
(c) protons
(d) electrons
(e) both c and d are correct
losing an electron
losing a proton
gaining a neutron
It has more neutrons than protons
It has an equal number of neutrons and protons
It has an equal number of neutrons and electrons
Atom B: mass number=24, atomic number=12
Atom C: mass number=26, atomic number=14
Atom D: mass number=22, atomic number=11
Each horizontal row of the Periodic Table is called a group
Each vertical column of the Periodic Table is called a period
All of the above are correct
right-hand side
middle
Bottom
Watson and Crick
Albert Einstein
Dimitri Mendeleev
the Noble Gases
metalloids
transition elements
increasing atomic volume
increasing atomic number
the alphabet