Part 1 Semester 1 Chemistry Review Honors

The product of 13 cm and 5.7 cm is correctly reported as

If repeated measurements agree closely but differ widely from the accepted value, they are

Which of the following statements is true according to modern atomic theory?

Basic research is usually performed

. A substance has a mass of 365 g and a volume of 7.5 cm³. What is its density?

When an electron is acquired by a neutral atom, the energy change is called

What is 1.245 633 501 x 10⁸ rounded to four significant figures?

Each atomic orbital is described by its principal quantum number followed by the

a nonmetal is usually

If a mixture is not uniform throughout, it is called

The two most important properties of all matter are

Which of these statements about mass is true?

Which model of the atom explains the orbitals of electrons as waves?

0.25 g is equivalent to

According to the law of conservation of mass, the mass of the compound is

A measurement that closely agrees with an accepted value is best described as

The letter designations for the first four sublevels & maximum number of electrons in each are

The total number of protons and neutrons in the nucleus of an atom is its

In determining the atomic mass of elements, the standard is the

The unit m³ measures

A state of matter in which a material has no definite shape but has a definite volume is a

A compound is

The principles of atomic theory recognized today were conceived by

An atom is

The measurement 0.020 L is the same as

For an electron in an atom to change from the ground state to an excited state

A physical change occurs when

How many significant digits should be shown in the product of 1.6 cm and 2.4 cm?

Metalloids are often

A volume of 1 mL is equivalent to