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grade 7 Tri 1 summative review 1(periodic table)

Last updated about 4 years ago

8 questions

1

The first periodic table arranged elements in order of,,,,,,,,,,,,,,,,,,,,,,

1

Elements that are located in the same _______________ have similar properties?

1

A majority of elements on the periodic table are .................................

1

non-metals are sometimes called ………….. because they do not conduct heat or electricity well

1

Strand I: Level 7-8 Contrast the properties of Alkali metals and alkaline earth metals.

1

. The metal which is liquid at room temperature is:........................

1

Question 7: strand III Interpret Level 7-8
Thermo cups are designed to keep liquids hot inside them for a long time and prevent the leakage of heat outside, they are made of 2 layes filled with air between them.
Why do you think air is used to fill the space between these 2 layers? Verify your answer.

1

Using the periodic table of elements find out the following about calcium:
a- the period number.
b- the group number.
c- the type of the element.