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Q1_Makeup Work/Extra Credit_PS

Last updated 2 days ago

22 questions

Assignment 1

1

1

1

Question 3

3.

What do all elements found on the periodic table have?

1

1

1

1

1

Question 8

8.

How are the properties of sodium chloride different from the properties of sodium and chlorine?

Assignment 2

1

Question 9

9.

What do you see in the picture?

1

Question 10

10.

What is matter made of?

1

1

1

Question 13

13.

Which element's name do you like the best? Why?

1

Question 14

14.

Why are the people of Japan happy about the name Nihonium?

1

Assignment 3

1

Question 16

16.

What is one property of the substance in the picture?

1

Question 17

17.

What is matter?

1

1

1

Question 20

20.

What happens to the molecules of water in a change of phase?

1

Question 21

21.

What happens during a chemical change?

1

Question 1

1.

Question 2

2.

Question 4

4.

Question 5

5.

Question 6

6.

What do elements create when they are combined in varying ways?

Question 7

7.

Question 11

11.

Question 12

12.

Question 15

15.

Question 18

18.

Question 19

19.

Question 22

22.

What element has the atomic number 6?

Lithium (Li)

Argon (Ar)

Magnesium (Mg)

Carbon (C)

What is the atomic number of aluminum (Al)?

7

11

13

17

What is a physical property of gold?

It is hard.

It is soft.

It is toxic.

It is flammable.

What is a physical property of oxygen?

It is blue.

It is heavy.

It is invisible.

It is reactive.

What is true about the new substance that is formed when the atoms of a specific substance are regrouped?

The new substance has the same properties.

The new substance has different properties.

The new substance is not dangerous.

What do the numbers of the new elements tell scientists?

How big or small the elements are.

Where the elements can be found.

What the elements might do if they are combined with other elements.

The names of the elements.

What is NOT a way that elements are named?

They are named after scientists.

They are named after the place they are found.

They are named after food.

They are named after gods in myths.

What is one property of Nihonium?

It is red.

It is flexible.

It is toxic.

It is reactive.

Why are physical and chemical changes different?

Physical changes happen at day, but chemical changes happen at night.

Physical changes can be reversed, but chemical changes cannot be easily reversed.

Physical changes happen to plants and animals, but chemical changes happen to people.

Why is changing the texture of wood an example of a physical change?

Because it changes the molecules of the wood.

Because it does not change the molecules of the wood.

Because it changes the state of the wood.

Which is NOT a sign of a chemical change?

A change in temperature.

A change in mass.

A change in color.

A change in odor.