Chemistry final exam chapters 1-4

The liter is defined as

“In any chemical or physical process, energy is neither created nor destroyed” is a state of the

The relationship between the mass of a material and its volume and its density is

The base unit for mass is the

When applied to scientific measurements, the words accuracy and precision

All of the following are examples of units except

The law of conservation of mass follows the concept that

The state of matter in which a material has neither a definite shape nor a definite volume is the state

Isotopes are atoms of the same element that have different

What did Rutherford conclude about the structure of the atom

The mass of a neutron is

Which of the following does not describe a unit

The SI base unit for time is the

The abbreviation that represents a volume unit is

Under ordinary conditions of temperature and pressure, the particles in a gas are

Which of the following isn’t a SI base unit?

The law of definite proportions

According to Daltons atomic theory atoms

For every investigation the scientific method

When the light from excited atoms of an element is passed through a prism the distinct colored lines produce are called

When density is measured

Quantitative observations are recorded using

In division and multiplication the answer must not have more sig figs than

A chemical formula for molecular compound represents the composition of

The abbreviation mm represents

The statement that an electron occupies the lowest available energy orbital is the

Isotope of an element contain different numbers of

The gold foil experiment led to the discovery of the

The nucleus of most atoms is composed of

Precision pertains to all the following except

Protons and neutrons strongly attract when they

In the gold foil experiment most of the particles fired at the foil

Who first propose an atomic theory base on scientific knowledge

Most of the volume of an atom is occupied by the

The main energy levels of an atom are indicated by the

A measure of the quantity of matter is

Experiments with cathode rays led to the discovery of the

When determining the number of significant digits in a measurement

If electrons in an atom have the lowest possible energies the electrons are in their

Nitrogen monoxide and oxygen, both colorless gases, form a red-brown gas when mixed. Nitrogen monoxide and oxygen are

Who explained the behavior of positively charged particles being deflected from a metal foil as the nucleus?

1 cubic centimeter is equivalent to

Which of the following does not describe a measurement standard?

Which part of an atom has a mass approximately equal to 1/2000 of a common hydrogen atom

Atoms of the same element that have different masses are called

To calculated the density of an object

A nuclear particle that has about the same mass as a proton but with no electrical charge is called a