staar review chemistry

Which statement correctly describes the location and charge of the neutrons in an atom?

• The neutrons are inside the nucleus and have a positive charge.

• The neutrons are outside the nucleus and have a neutral charge.

• The neutrons are outside the nucleus and have a negative charge.

• The neutrons are inside the nucleus and have a neutral charge.

What type of particles are found in the cloud surrounding the atom's nucleus?

• Neutral particles and positively charge particles

• Positive charge particles only

• Negatively charge particles and positively charge particles

• Negatively charge particles only

Which of the following best describes a proton?

• It has a positive charge and the same mass as an electron

• It has a neutral charge and the same mass as an neutron

• It has a positive charge and the same mass as an neutron

• It has a negative charge and the same mass as an electron

Where is most of the mass in an atom located?

• in the nucleus
• in the protons
• in the neutrons
• in the electrons

The particles with no charge in an atom are the _______.

• electrons
• neutrons
• protons
• protons and neutrons

 What is the mass number of this element?

• 5
• 27
• 32
• 59

What is the atomic number?

• number of protons
• number of neutrons

What is the mass number?

• the number of protons
• the sum of the number of protons and the number of neutrons in the nucleus of an atom 
• the number of electrons
• the number of neutrons

Which statement best describes an electron?

• Smaller mass than a proton and a negative charge
• Smaller mass than a proton and a positive charge
• Greater mass than a proton and a negative charge
• Greater mass than a proton and a positive charge

How many atoms are represented in the reactants in the equation?

• 6

• 7

• 4

• 5