Apologia Chemistry 1st Quarter Review Module 1 thru 4

For an electron to jump from an orbit close to the nucleus to an orbit far away from the nucleus it must...

Ernest Rutherford discovered

Electronegativity of atoms increases from left to right and bottom to top on the periodic table.

The ionization energy of atoms increases from right to left and top to bottom of the periodic table.

Which of the following is not a rule to determine the number of significant figures:

The measurement system of standard units used by scientists is

Which of the following is not one of the first 30 elements of the periodic table?

In the image below, which letter represents the amplitude?

In ionic compounds, nonmetals try to gain electrons so their Lewis structures reach the ideal electron configuration.

All forms of matter try to stay in their lowest possible energy state.

In the image below, which letter represents the wavelength?

James Chadwick discovered

A positively charged ion is called a

When naming an ionic compound, replace the name of the first atom in the molecule with its -ide name.

How many electrons does it take to fill up the p orbital?

Which of the following is true?

When naming an ionic compound, replace the name of the second atom in the molecule with its -ide name.

The atomic radius increases from top to bottom and right to left on the periodic table.

Even though hydrogen is left of the jagged line, it is always considered a nonmetal.

Chemists thought that the atom looked like a dish of plum pudding, where...

By writing down our measurement as 1.0 x 100, we indicate that the 0 was measured.

Wavelength and energy are

The electrons that exist farthest from the atom's nucleus are called valence electrons.

Which of the following has mass?

Which of the following is the heaviest?

An indication of the scale on the measuring device that was used is

The following elements are all made up of homonuclear diatomic molecules rather than individual atoms except

Isotopes behave identically in the chemistry; the main difference between them is their

Crooks and Thomson discovered

When multiplying and dividing units, it doesn't matter whether or not the units are identical.

An example of a homogeneous mixture is

A compound is considered _____ if, when dissolved in water, it conducts electricity.

Of all the colors of the spectrum, red has the longest wavelength.

Theory states that light acts like both a particle and a wave.

The important thing to realize about mixtures is...

Your eyes are equipped with what cells that transmit electrical signals to the brain when hit by energies of light.

Frequency and energy are

Covalent compounds share electrons to form molecules, while ionic compounds give and take electrons to form ions.

The prefixes of the English system mean the same thing regardless of the physical quantity being measured.

The column number tells how many valence electrons the atom wants.

In adding and subtracting, we do not count significant figures; we look only at precision.

An atom's atomic number tells how many ____ it contains.

Which of the following is not found in the nucleus of an atom?

Today's model of the atom is called

Wavelength and frequency are

When measuring with a ruler, the first rule is to start at

If a substance consists of identical atoms, then it is called a(n)

Why are noble gases important?

Mass number is the total number of protons and electrons in an atom.

List the colors according to size of their wavelengths.

1cc = 1mm = 1mL

Which of the 4 assumptions of Dalton's theory have been disproven?

All the colors that you see are the result of the brain receiving signals from 2 types of cone cells.