What is filtration used for For example?

Separating salt and sand mixture

What is the correct description for compounds?

Compounds contain 2 or more type of atom (chemically bonded)

What is The correct description for an element.

Elements contain only one type of atom.

The correct description of molecules?

Molecules are groups of 2 or more atoms bonded together.

What is the difference between the old and the new ones?

The old ones used dangerous food colourings

The smallest partial on earth can't be broken down.

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Elements, Compounds and Mixture

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Questions 12

Answers

1
What is the symbol for Hydrogen
h
H
hE
He
2
What is filtration used for For example?
Separating salt and sand mixture
Separating sand and salt solution
Separating m&m's from skittles
Separating salt solution
3
How would you separate this iron and saw dust?
With filtration
With evaporation
With distillation
With magnet
4
What is the correct description for compounds?
Compounds contain 2 or more type of atom (chemically bonded)
Compounds contain only 1 type of atom.
Compounds contain 2 or more types of elements.
Compounds contain 2 or more type of atom (physically bonded)
5
What is The correct description for an element.
Elements contain different types of atoms.
Elements contain only one atom.
Elements contain only one type of atom.
Elements contain 2 or more types of atom.
6
The correct description of molecules?
Atoms are groups of 2 or more molecules bonded together.
Molecules are groups of 2 or less molecules bonded together.
Molecules are groups of 2 or more atoms bonded together.
Molecules are the building blocks of everything.
7
What could you use to separate ethanol from water?
evaporation
Fractional distillation
Distillation
Magnet
8
How would you separate the old and new m&m's?
Chromotography and Ph paper
Evaporation
Tasting them
Chromography
9
How many different atoms are there naturally found on earth?
92
82
90
80
10
What is the difference between the old and the new ones?
The old ones are better
The new ones have more fat and sugar
The new ones are better
The old ones used dangerous food colourings
11
What is the chemical formula of this molecule?
H2O
2H2O
H2o
O2H
12
What is a atom?
The biggest substance in earth that can be broken down.
They don't exist.
The smallest partial on earth can't be broken down.
The smallest substance in earth can be broken down.

Elements, Compounds and Mixture Flashcards | StudBud