WorksheetsPop Quiz Chapter 2 Matter and Atomic Structure
Total questions: 8
Worksheet time: 8mins
Which of the following is correct about the type of particles of the substances?
Atom: Copper
Molecule: Oxygen
Ion: Mercury
Atom: Sodium
Molecule: Ammonia
Ion: Sodium chloride
Atom: Iron
Molecule: Carbon dioxide
Ion: Magnesium
Atom: Bromine
Molecule: Nitrogen
Ion: Carbon monoxide
Substance X exists as solid at 200°C. Which of the following are the melting point and the boiling point for substance X?
Melting point: -50°C
Boiling point: 100°C
Melting point: 35°C
Boiling point: 185°C
Melting point: 115°C
Boiling point: 668°C
Melting point: 250°C
Boiling point: 750°C
Which is the correct arrangement about the history of the development of the atomic model?
P - Matter is made up of particles called atoms
Q - Electrons in an atom move in its shell around the nucleus
R - Discovered nucleus as the centre of an atom.
S - Discovered the neutral particle, neutron.
P → Q → R → S
P → S → Q → R
P → R → S → Q
P → R → Q → S
Choose the correct statement about the subatomic particle, neutron.
The mass of a neutron is 1 g.
The charges of a neutron and an electron are the same.
Neutrons can only be found in atoms of nonmetal element.
A neutron and a proton have the same relative mass.
The diagram shows the symbols for the atoms X, Y and Z. Which of the following is true about these atoms?
X and Y are atoms for the same element.
X and Z are atoms for the same element.
An atom X has more electrons than an atom Y.
An atom Z has more neutrons than an atom Y.
The diagram shows three isotopes of hydrogen element. The heaviest isotope of hydrogen has
three shells
three protons
two neutrons
one electron
The electron arrangement of the anion T is 2.8. What is the proton number of an atom of the element T?
4
6
8
10
The electron arrangement of the anion T is 2.8. What is the proton number of an atom of the element T?
· Proton number = 14
· Nucleon number = 28
How many valence electrons in a silicon atom?
2
4
8
14
