2.Which of the following is NOT an example of compound? a. Ammonia
b. Helium gas
c. Hydrogen peroxide
d. Table sugar
3.Which of the following statements in TRUE about alements and compounds?
a. Are homologous in nature
b. Are simplest from matter
c. Are commonly naturally occurring materials
d. Can be broken down into simpler substances
4.Which of the following substance is an element?
a. carbon dioxide
b. iron
c. salt
d. sugar
5.Which of the following describes an element?
a. the simplest substance
b. It can be broken down into other types of substance
c. it can be separated through a chemical process
d. It is composed of two or more types
6.Which of the following statements correctly describes a compound?
a. can be broken down into a simpler type of matter by chemical means.
b. has a unique property that are different from the properties of it's individual elements
c. composed of atoms of two or more elements that bond together.
d. composed of two atoms that bond together
7.which of the following will be teh result of compound if tydrogen gas and oxygen gas combine?
a. alcohol
b. salt
c. sugar
d. water
8.salt in made up of what elements?
a. sodium of Chloride
b. sodium of chlorine
c. sodium and copper
d. sodium and oxide
9. which of the following is correctly matched?
a. Gold: Element: Silver: Compound
b. Oxygen: Element:Water: Compound
c. Sugar: Element:Salt : Compound
d. Water: Element: Hydrogen: Compound
10.which of the following is NOT an element?
a. na
b. Fe
c. pz
d. he
For items 11-15 whether it is an example of an element or a compound. Write the word ELEMENT if the sample shows characteristics of an element and COMPOUND if it shows characteristics of compound.
11.Aluminum
12. Mercury
13. Forrous Sulfate
14.Sucrose
15.Carbon ​