WorksheetsUnit 1 7.6A Elements and Compounds
Total questions: 31
Worksheet time: 18mins
Which of the following is the simplest form of substance?
solution
compound
element
mixture
When one or more substance is combined it is called __________________.
compound
element
mixture
solution
Which of the following statements describes an element?
It contains only one kind of atom.
It can be decomposed by ordinary chemical means.
It is composed of atoms of two or more elements that bond together.
It has unique properties that are different from the properties of its individual elements.
Which of the following statements describes a compound?
It contains only one kind of atom.
It can be separated by physical means.
It cannot be decomposed into simpler types of substances.
It consists of atoms of two or more different elements bond together.
Methane is a colorless odorless gas compound. Given the structure, what elements compose the methane?
Helium and Carbon
Helium and Calcium
Hydrogen and Carbon
Hydrogen and Calcium
Which of the following is NOT a compound?
Monosodium glutamate
Sodium chloride
Citric acid
Krypton
What elements made up the compound Carbon dioxide?
Carbon and Oxide
Carbon and Oxygen
Carbon and Hydrogen
Carbon and Carbon
Which of the following statements is true about the illustrations below?
Illustrations I and IV are elements; Illustrations II and III are compounds.
Illustrations II and III are elements; Illustrations II and IV are compounds.
Illustrations I and II are elements; Illustrations III and IV are compounds.
Illustrations III and IV are elements; Illustrations I and II are compounds.
The smallest unit of matter that retains the chemical identity of the the elements
Element
Atom
Compound
Molecule
The simplest unit (particle) of a compound that can exist; formed when two or more atoms combine chemically.
Element
Atom
Compound
Molecule
This picture represents which of the following:
element
compound
This picture represents which of the following?
element
compound
This picture represents which of the following?
element
compound
This picture represents which of the following?
element
compound
This picture represents which of the following?
element
compound
This picture represents which of the following?
element
compound
This picture represents which of the following?
element
compound
This picture represents which of the following?
element
compound
Na2CO3
B)not able to be broken down into parts
Fe3O4
