Unit 4 Atom And Periodic Table Review Sheet printable pdf download

Unit 4 Atom And Periodic Table Review Sheet

Name:______________________

Date:____________________

Unit 4: Atom and Periodic Table Review Sheet

Match the vocabulary term on the left with the definition on the right

A) Atom

1. ______ positively charged particle found in the nucleus

B) Neutron

2. _____ a region around the nucleus of an atom where an electron

with a given energy is likely to be found

C) Nucleus

3. ______ very small, very dense, positively charged center of the

atom

D) Proton

4. ______ # of protons (p

) - determines atoms identity

E) Electron

5. ______ negatively charged particle found outside the nucleus

F) Atomic Number

6. ______ subatomic particle with a charge of zero and a mass of 1

G) Mass Number

7. _____ the smallest particle of an element that retains the chemical

identity of that element

H) orbital

8. _____ # protons + # of neutrons

9. Draw Bohr Models of each of the following elements:

A. Be (Atomic Number 4)

B. Chlorine (Atomic Number 17)

10. Complete the following chart

Symbol

Atomic No. Mass Number

# p

# n

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Unit 4 Atom And Periodic Table Review Sheet