Physical Science Chapter 16 & 17 Review

Rutherford discovered the ___.

The Lewis/ Electron Dot Diagram for argon has how many dots around it?

Who proposed that matter is made up of particles called atoms, that can't be divided?

Elements in Group 1, the Alkali metals, have ___ valence electron.

The group number on the periodic table tells you the number of ______.

Which of these is not a metal?

The noble gases are unreactive because

Who described electrons traveling around the nucleus on fixed energy levels?

Protons and neutrons can be broken down into smaller particles called

What is the atomic mass of this atom?

Adding the number of protons and neutrons gives you the ___________.

As you move from left to right across a row on the periodic table, the __ increase by one.

Where is most of the mass of an atom found?

Isotopes of an element have different #'s of ___

In the modern periodic table, the # of valence electrons _____ as you move from left to right.

If the number of neutrons in an element changes, the _________ changes.

Horizontal rows on the periodic table are called ___.

Elements in Group 8, the Noble gases, have ____ valence electrons.

_____ tend to be solids, malleable and good conductors.

Which subatomic particle is unique and identifies the element?

Mendeleev arranged the elements in his periodic table by increasing _____.

The weighted average of the masses of an element's isotopes is its__

If you subtract the atomic number from the mass number, you get the number of _____.

How many neutrons does this element have?

J. Dalton said that all elements are composed of________.

The most reactive non-metal element is ___.

Which is NOT a characteristic of metals?

Which of these is a liquid at room temperature?

The ___ model describes the most likely locations of electrons in an atom.

The atomic number tells you the number of protons and _____ in a neutral atom.

Which subatomic particle determines the reactivity of an element?

Vertical columns on the periodic table are called _________.

Which is the smallest subatomic particle?

Thomson discovered the ___.

Dalton's Atomic Theory states that, when elements combine to form compounds, they combine in

Is #96, amercium, a transuranium element?

____ tend to be brittle, gases and poor conductors.

The atomic number is the number of ____.

Carbon -12 & Carbon-13 are __

Which subatomic particle has a positive charge?