Download Atomic Structure chart

Chemistry
Name
Name ______________________ Date ____________
Symbol
Atomic
Mass
Period ____________
Atomic
Mass
Charge Protons Neutrons Electrons
Number Number
12
Na1+
16
33
2-
17
Neon
8
10
21
10
13
12
Use the word bank to answer the following questions. Some words may be used once, more
than once or not at all.
Isotope
atomic number
mass number
proton
Electron
neutron
nucleus
ion
________________1. Has a positive charge.
________________2. Atoms that have gained or lost electrons
________________3. Isotopes of elements have different number of this sub-atomic particle
________________4. The number of protons in an element
________________5. Sub-atomic particle that distinguishes the elements from one another
________________6. The sum of the protons and neutrons
________________7. This sub-atomic particle has a neutral electric charge
________________8. Sub-atomic particle that is not found in the nucleus
Please write TRUE or FALSE for the following questions
________________1. The nucleus has a positive charge.
________________2. Atoms of the same element can have different numbers of neutrons
________________3. In neutral atoms, the number of protons and electrons are different.
________________4. Atoms of different elements have different numbers of protons
________________5. Protons and neutrons are about 2000 times heavier than electrons.
________________6. Atomic number and mass number are the same thing.
10