Chap 1 Atomic Structure and the Periodic Table

A column on the periodic table is called a(n)

What is the most common element in the universe?

What is the negative subatomic particle found outside the nucleus?

Which of the following is the least reactive group?

The total number of protons and neutrons in the nucleus determines the atom's

The positively charged particle in an atom is the

What is the neutral subatomic particle found in the nucleus?

When a Ca atom loses 2 electrons, it becomes

Which of the following is the most reactive group?

The atomic number of an element tells you the atom's

The atomic number increases by one from element to element going left to right on the periodic table.

A sodium atom has a charge of +1. It must have one

Which element is the most common in Earth's crust and human bodies?

A chlorine ion has a charge of 1-. You can infer the ion has one

A row on the periodic table is called a(n)

Two atoms have the same number of protons so they must be

N-14 and N-15 are examples of

The nucleus of an atom contains

What is the positive subatomic particle found in the nucleus?

The two most common elements of the human body are

Which is the largest?

Metals are on the right, nonmetals are on the left, and metalloids are in between them.

Atoms of the same element have the same number of

The most common isotope of carbon is carbon-12 with 6 protons and 6 neutrons. How would carbon-14 be different?

Isotopes of an element differ in the