BrainPOP Quiz
1.
Atoms
Name ___________________
What is the significance of the periodic table of elements?
A. It lists all the different metals known to humans
B. It predicts and lists all the chemical elements in the universe
C. It explains where different atoms can be found
D. It proves that atoms are the building blocks of matter
2. Which of the following is an example of a subatomic particle?
A. Carbon
B. Oxygen
C. Electron
D Hydrogen
3. What two types of particles exist within an atom's nucleus?
A. Protons and Electrons
B. Neutron and Electrons
C. Elements and Neutrons
D. Protons and Neutrons
4. Oxygen has an atomic number of 8. What can you consider from this fact?
A. An atom of oxygen weighs 8 grams
B. An atom of oxygen has 4 protons and 4 electrons
C. An atom of oxygen has 8 protons
D. An atom of oxygen has 8 neutrons
5. How are molecules different than atoms?
A. They consist of several atoms bonded together
B. They do not contain neutrons
C. They do not have nuclei
D. Their particles do not have electrical charges
6. What can you conclude from the fact that electrons orbit far away from atom's nucleus?
A. Electrons are extremely small
B. Atoms are comprised mostly of empty space
C. Protons have a positive charge
D. Atoms consist of subatomic particles
7. The central part of an atom is called the ________________.
A. electron
B. nucleus
C. proton
D. neutron
8. The electrical charge on a proton is ______________.
A. positive
B. neutral
C. negative
D. changing
9. What is the key to defining an atom of an element?
A) it retains the properties of the element
B) it can change the properties of the element
C) different atoms of the same element can have different properties
D) atoms all have the same properties which change when they come together as an element
10. Atoms of an element are determined by which of the following?
A) same number of electrons
B) same number of neutrons
C) same number of protons
D) same number of protons and electrons
11. The atomic number of an element indicates which of the following?
A) the number of neutrons in the nucleus
B) the mass of electrons around the nucleus
C) the number of protons in the nucleus
D) the mass of the parts of the atom
12. When an atom has a different number of electrons which gives it a charge what is it called?
A) ion
B) isotope
C) radioactive
D) magnetic
13. How many different elements are there in the world?
A.)
B.)
C.)
D.)
less than 50 elements
between 50 and 75 elements
between 75 and 100 elements
more than 100 elements
14. Lithium has 3 electrons, 3 protons, and 4 neutrons. Which diagram shows correct position of
electrons, neutrons and protons in a Lithium atom?
A.)
B.)
o
C.)
)
D.)
)
15. Describe the relationship between atoms, matter, elements, and compounds. You must use all
four of the terms in your description. (4 pts.)