CHM 130 Module 1 Review

1 kilometer is equivalent to

All of these are characteristics of the atomic number EXCEPT

Density is ...

Matter is another word for all substances that make up our world.

Isotopes have the same number of protons but different numbers of neutrons

Which of these numbers are not written in correct scientific notation?

How many significant figures does the number 2630 have?

Electrons prefer to occupy the innermost shells first.

Numbers written in scientific notation are multiplied by the power of...

The Atom

Which of the following is NOT a metal?

What is the basic metric unit of mass?

The Periodic Table organizes the elements into groups with SIMILAR properties and in order of INCREASING atomic mass

Chemistry is the study of...

273 K is the same as...

Which of the following is NOT a physical change?

Round 1.457 to the tenths place.

What is the correct answer to

The Atomic Mass is

Elements CANNOT be broken down into simpler substances

What is the metric unit of time?

The mass number is equal to the number of electrons + the number of neutrons

The atomic size of an atom...

What is the chemical symbol for silver?

Which of the following is a pure substance?