Physical Science Midterm Part 2

If Tungsten has an atomic mass of 74 and a mass number of 184, how many neutrons does it have.

• a. 74

• b. 258

• c. 110

• d. 184

The region around the nucleus occupied by electrons is a(n) ______________________________.

• a. period

• b. electron dot diagram

• c. group

• d. electron cloud

Why do the noble gases almost never combine to form compounds?

• a. because they are very unstable

• b. because they are ionic bonds

• c. because they are very stable

• d. because they are transition elements

__________ bond: the force of attraction between a + ion and a - ion in an ionic compound.

• a. Covalent

• b. Nonpolar

• c. Ionic

• d. Polar

Tags

NGSS.HS-PS1-3

A charged particle is known as a(n) ____________.

• a. plasma

• b. gas

• c. ion

• d. neutron

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

The attraction that forms between atoms when they share electrons is known as a(n) ______ bond.

• a. ionic

• b. covalent

• c. simple

• d. net

Tags

NGSS.HS-PS1-1

The sum of the oxidation numbers in a neutral compound is always ______________.

• a. one

• b. a positive number

• c. zero

• d. a negative number

______ is how far an object has moved.

• a. Distance

• b. Displacement

• c. Velocity

• d. Rate

______ is the distance and direction of an object’s change in position from the starting point.

• a. Speed

• b. Displacement

• c. Velocity

• d. Rate

______ is the distance an object travels per unit of time.

• a. Speed

• b. Displacement

• c. Displacement

• d. Rate

Tags

NGSS.MS-PS3-1