GCSE - Gcse Chemistry - Atomic Structure 1 Solution - MCQGeeks.com

Q.1.

Pick the correct combination for the charges of sub-atomic particles.

0%
Proton +ve Neutron 0 Electron -ve
0%
Proton 0 Neutron +ve Electron -ve
0%
Proton +ve Neutron -ve Electron 0
0%
Proton 0 Neutron 0 Electron -ve

Q.2.

The numbers in the options below represent the masses of the three sub-atomic particles. Pick the correct combination.

0%
Proton 1 Neutron 0 Electron 1
0%
Proton 0 Neutron 1 Electron 1
100%
Proton 1 Neutron 1 Electron 0
0%
Proton 1 Neutron 1 Electron 1

Q.3.

The mass number of an element tells us...

0%
the number of protons in the nucleus
0%
the number of protons plus electrons
0%
the number of neutrons plus electrons
100%
the number of neutrons plus protons

Q.4.

The atomic number of an element tells us...

0%
the number of neutrons in the nucleus
0%
the number of electrons orbiting the nucleus
100%
the number of protons orbiting the nucleus
0%
the number of electrons in the nucleus

Q.5.

The atomic number of an element is 11 and its mass number isPick the correct combination of protons, neutrons and electrons.

0%
p=12, n=12, e=11
0%
p=11, n=11, e=12
0%
p=12, n=11, e=11
100%
p=11, n=12, e=11

Q.6.

The protons of an atom are found...

100%
in the nucleus of the atom
0%
in orbit around the outside of the nucleus
0%
dotted throughout the atom
0%
in lines radiating out from the nucleus

Q.7.

The electrons are found...

0%
in the nucleus of the atom
100%
in orbit around the outside of the nucleus
0%
dotted throughout the atom
0%
in lines radiating out from the nucleus

Q.8.

The neutrons of an atom are found...

100%
in the nucleus of the atom
0%
in orbit around the outside of the nucleus
0%
dotted throughout the atom
0%
in lines radiating out from the nucleus

Q.9.

Carbon has two isotopes. These atoms have...

0%
The same number of protons, but different numbers of electrons
0%
The same number of electrons, but different numbers of protons
0%
The same number of protons, but different numbers of neutrons
0%
The same number of neutrons, but different numbers of electrons

Q.10.

If an element has 56 protons, 56 electrons and 81 neutrons, what is its mass number?

0%
56
0%
81
100%
137
0%
112