Physical Science Fall Semester Test

What is a chemical bond?

The atomic number of sulfur is 16. How many electrons are there in an atom of sulfur-34?

All atoms of a certain element have the same

Is this statement true or false: Neutrons and electrons are attracted to one another.

How many electrons can the first energy level hold?

In a Lewis dot diagram, the electrons shown

Atoms of the same element can have a different number of

Thomson's model of the atom is like

Neon has 10 protons and 10 electrons. The electrons fill the energy levels like this:

Is this statement true or false: In a covalent bond, electrons are shared between two atoms.

What is an isotope?

What units do scientists use for their measurements?

Atoms of the same elements can have different isotopes. An isotope of an atom is an atom

What is an independent variable?

theory or a law: Mass can come from energy and energy can come frommass (E=mc2).

The number of neutrons in an atom can be determined by doing which of the following?

The first energy level

Is this statement true or false: In an ionic bond, electrons are shared between two atoms.

What are the three subatomic particles?

An ionic bond

The atomic number of an atom is

Is this statement a theory or a law: Force is a product of mass and acceleration (F=ma).

A metallic bond

Which particle is the least massive?

What is a dependent variable?

What are the building blocks of matter?

An electron is a particle with

True or False: A model is a physical or mental representation of an object or event.

In the process of ___________ bonding, atoms share electrons.

Why should you never trust an atom?

Is this statement true or false: A theory explains a law.

Is this statement true or false: Electrons are found in the nucleus of an atom.

One of the first people to state that matter is made up of atoms was

Why is scientific notation useful?

A covalent bond

Is this statement true or false: The first energy level is closest to the nucleus.

Matter...

What is a scientific law?

In what type of bond are electrons transferred between two atoms?

Neutrons are in the nucleus of the atom. A neutron has

The atomic mass of an element is

What is the first step in the scientific method?

True or False: Theories are proven when Adam Savage and Jamie Hyneman test it.

Is this statement true or false: Carbon and Oxygen have the same number of protons.

Which of the following is NOT a category of natural science?

Different atoms of the same element can have a different number of

The periodic table show that a carbon atom has 6 protons. This means that a carbon atom alsohas

In the process of ionic bonding

Carbon's atomic number is 6. When it is neutral, how many electrons does carbon have?

Lithium's atomic mass is 7. Lithium's atomic number is 3. How many neutrons does Lithium have?

true or false: Not all carbon atoms have 7 neutrons. Some isotopes of carbon have 8 neutrons

The electrons in the outermost energy level are called _____________ electrons.

Almost all of the mass of an atom is located in its

Science is...

The atomic number of an atom is equal to the number of __________ in the atom's _________.

What is the current atomic model?

True or False: Technology is a branch of science.

Is this statement a theory or a law: New cells are formed from existing cells.

hydrogen atom has 1 proton and 1 electron. The proton and electron stay near each other because

What is a constant?