Evaporating water is an example of a physical change because

Calcium is very reactive, has properties similar to magnesium, and is in the same period as bromine.

What are properties?

Properties  are defined as the qualities that help us distinguish one material from another.

There are basically two types of properties.

• Chemical properties - They are defined as one of the aspect of a certain substance that can be seen in a chemical reaction. It can be defined as a property of a substance that may be seen during a chemical reaction or change.
• Physical properties - They are defined as a property of matter that may be seen and quantified without altering the sample's chemical composition. It can also be defined as a quality of matter that does not manifest as a chemical change.

Reactive is defined as the catalyst for a chemical process, either on its own or in combination with other materials.

It can also be defined as the propensity of a substance to undergo chemical reaction and release energy, either by itself or in conjunction with other materials.

Thus, calcium is very reactive, has properties similar to magnesium, and is in the same period as bromine.

To learn more about properties, refer to the link below:

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This might be right. Im not quite sure. This is what my 5th grade science teacher told me. 'Look at the 2 LR's and add them together. Then look at the total amount which is 32. When you add the 2 LR's you get 17. So subtract 17 from 32 and you get 15. So: C:15 is your answer." (LR's stands for liquid reactants)

10+17=17

Total amount is 32

32-17=15

15 is you mass

Hope this Helps

Its 5g i took the quick check

Answer:

The rock was larger than last summer, ice wedging caused it to expand.

Explanation:

Ice wedging is a process that happens when water gets into the cracks of concrete, stones, other forms of the Earth, and freezes. When the water freezes, it expands and pushes the rock from the crack which either separates and turns it into two rocks, or the rock might form together again and just be a larger rock. This process happens in Winter and usually finished in Spring when the ice between the rocks melt. I have described the process of ice wedging for you.