Log in
Sign up for FREE
arrow_back
Library

IB Chemistry Unit 1 Practice Test (20-21)

star
star
star
star
star
Last updated over 5 years ago
26 questions
Note from the author:
IB Chemistry SL
Topic 1.1 Matter & Change
Topic 2.1 Atomic Structure
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
Question 1
1.

Which process happens as a substance changes from the liquid state to the gaseous state?

Question 2
2.

Which state of matter has a fixed volume and takes the shape of the container?

Question 3
3.

Which of the following is compound?

Question 4
4.

Which of the following is a homogenous mixture?

Question 5
5.

Which statement about the numbers of protons, electrons and neutrons in a neutral atom is always correct?

Question 6
6.

What is the difference between two neutral atoms represented by the symbols 5927Co and 5928Ni?

Question 7
7.

How many electrons are there in one 2412Mg2+ ion?

Question 8
8.

Consider the composition of the species, W, X, Y and Z below. What species is an anion?

Question 9
9.

What is the correct number of each particle in a fluoride ion, 19F-1?

Question 10
10.

A certain sample of element Z contains 60% of 69Z and 40% of 71Z. What is the relative atomic mass of element Z in this sample?

Question 11
11.

List the symbol for each of the following: Liquid, Solid, and Gas

Question 12
12.

State the parts of a chemical equation in the correct format.

Question 13
13.

State the name and number of each element represented in the compound: NaCl

Question 14
14.

State the name and number of each element represented in the compound: K3PO4

Question 15
15.

State the name and number of each element represented in the compound: Ca(OH)2

Question 16
16.

State the relative mass and charge for the subatomic particle of an atom: proton

Question 17
17.

State the relative mass and charge for the subatomic particle of an atom: electron

Question 18
18.

State the relative mass and charge of the subatomic particle of an atom: neutron

Question 19
19.

Define the term Mass Number (A).

Question 20
20.

Define the term Atomic Number (Z).

Question 21
21.

Define the term ion.

Question 22
22.

Define the term isotope.

Question 23
23.

The element vanadium has two isotopes, 5023V and 5123V, and a relative atomic mass of 50.94. State the number of protons, electrons and neutrons in 5023V.

Question 24
24.

The element vanadium has two isotopes, 5023V and 5123V, and a relative atomic mass of 50.94. State and explain which is the more abundant isotope.

Question 25
25.

Chlorine exsists as two isotopes, 35Cl and 37Cl. The relative atomic mass of chlorine is 35.45. Calculate the percentage abundance of each isotope.

Question 26
26.

Calculate the relative atomic mass using hte following mass spectrum data for Rubidium.