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ELEMENTS, COMPOUNDS, ACIDS AND BASES

Authored by manilyn martin

Chemistry

7th Grade

Used 5+ times

ELEMENTS, COMPOUNDS, ACIDS AND BASES
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15 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following is the difference of elements to compounds?

Elements are combinations of two or more elements.

Element is made from the same type of atoms.

Element is not able to be broken down into parts.

Compounds are pure substance, elements are not

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Pure substances are classified into elements and compounds. Elements are the simplified form of matter. Which of the following is an element?

Carbon monoxide

Glucose

Nitrous oxide

Germanium

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Which of the following statements describes a compound?

It consists of atoms of two or more different elements bond together.

It can be separated by physical means.

It contains only one kind of atom.

It cannot be decomposed into simpler types of substances.

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

What is the difference between a compound and an element?

Compounds are made up of elements and can be chemically separated. Elements cannot be separated.

Elements make up compounds. Elements can be separated but compounds cannot be separated.

Elements are found on the periodic table and compounds are found on the dining room table.

Compounds are made up of elements and cannot be chemically separated. Elements can be separated.

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

How did Mendeleev arrange the elements?

alphabetical 

density

melting point

atomic mass

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

A rule that states that repeating chemical and physical properties of elements change periodically with the atomic number of the elements is the _________.

periodic law

alkaline-earth metals

actinide

group rule

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

What does the 6 represent?

atomic mass

atomic number

element name

chemical symbol 

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