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Lesson 1.8 Mass and Matter

Posljednje ažuriranje about 1 year ago

4 questions

Question 1

01:31

Obavezno

1

Question 2

02:32

Obavezno

1

Question 3

02:50

Obavezno

1

Question 4

06:14

Obavezno

1

Pitanje 1

1.

The average mass of an atom of a element is the

the whole number in the periodic table square

one zillionith of a hamster

the decimal number in the periodic table square

the same for every element

Pitanje 2

2.

If a chlorine atom weighs 35 amu , it is the same mass as

the mass of 35 carbon atoms

one zillionth of a hamster

the mass of 35 hydrogen atoms

the mass of 35 helium atoms

Pitanje 3

3.

How many hydrogen atoms is the same mass as two chlorine atoms?

Pitanje 4

4.

The mass of carbon is 12 and the mass of oxygen is 16. Write the math equation that shows why the mass of CO₂ is 44.