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What is an element?

Posljednje ažuriranje over 1 year ago

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Pitanje 1

1.

Today, you will learn about elements and compounds. By looking at the diagram, what do you observe about elements and what do you observe about compounds?
Word bank: element same type atoms compounds different

Sentence Starter: By looking at the diagram, I noticed that elements have.... Another observation that I see is that compounds

1

2

Pitanje 3

3.

Based on the paragraph 2 sentence 2, elements can be divided into smaller substances

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1

1

2

Pitanje 7

7.

A) What does a molecule have?

Pitanje 4

4.

According to paragraph 3, How many elements are found naturally in rocks, soil, air, etc ? How many elements can only be made in labs by humans ?

92; 26

117; 8

86; 29

92; 118

Pitanje 5

5.

Scientists use the elements symbols like H instead of the elements name hydrogen. Why is this?

Because it is easier to represent what elements and compounds look like using smaller symbols

Because it is all about fluidity and concentration of bicep

Pitanje 6

6.

A compound is a molecule where 2 or more ________ elements have combined.

different

exact

similar