11.7.2024 OSE Chemistry U2-Lightning Test Review

Front

Can you have thunder without lightning?

Back

False

Front

How many periods are there on the periodic table?

Back

7

Front

Which element is represented by the symbol 'Ne'?

Back

Neon

Front

What is the trend in atomic radii across a period in the periodic table?

Back

Atomic radii decrease from left to right across a period.

Front

What is the trend in atomic radii down a group in the periodic table?

Back

Atomic radii increase from top to bottom in a group.

Front

Is air a good conductor of electric charges?

Back

False

Front

What is the atomic number of Neon?

Back

10

Front

What is the definition of a conductor?

Back

A material that allows the flow of electric charge.

Front

What is the definition of an insulator?

Back

A material that resists the flow of electric charge.

Front

What is the significance of the periodic table?

Back

It reveals patterns and trends in the properties of elements.