Unit 1 & 2 Test

Front

Where do you look to find an element?

Back

Periodic Table

Front

Determine the correct number of significant figures: 1035m ÷ 42m = ?

Back

25 m^2

Front

What units are used to measure mass?

Back

g

Front

Determine the correct number of significant figures: 12.01 ml + 35.2 ml = ?

Back

47.2 ml

Front

Convert scientific notation to a number: 1.5 X 10^3

Back

1500

Front

What is the definition of significant figures?

Back

Significant figures are the digits in a number that contribute to its precision.

Front

How do you determine the number of significant figures in a measurement?

Back

Count all non-zero digits, any zeros between them, and trailing zeros only if there is a decimal point.

Front

What is the purpose of the Periodic Table?

Back

The Periodic Table organizes elements based on their atomic number, electron configuration, and recurring chemical properties.

Front

What is scientific notation?

Back

A way to express very large or very small numbers using powers of ten.

Front

How do you convert a number from scientific notation to standard form?

Back

Move the decimal point to the right for positive exponents and to the left for negative exponents.