Apologia Chemistry 1st Quarter Review Module 1 thru 4

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

Which of the following is the heaviest?

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

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

Frequency and energy are

Crooks and Thomson discovered

Today's model of the atom is called

In the image below, which letter represents the amplitude?

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

List the colors according to size of their wavelengths.

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

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

Wavelength and frequency are

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

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

Which of the following is true?

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

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

Ernest Rutherford discovered

Why are noble gases important?

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

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

The measurement system of standard units used by scientists is

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

The important thing to realize about mixtures is...

Which of the following has mass?

Wavelength and energy are

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

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

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

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

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

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

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

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

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

1cc = 1mm = 1mL

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

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

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

A positively charged ion is called a

In the image below, which letter represents the wavelength?

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

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

James Chadwick discovered

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

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

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

An example of a homogeneous mixture is

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

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

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

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