Atom Structure, Periodic Table, Counting Atoms, Chemical Formula, Chemical Reaction Question Preview (ID: 55984)


This Review Test Includes Questions About TEKS 8.5 A-E (See Test Title For Topics). TEACHERS: click here for quick copy question ID numbers.

What subatomic particles are found inside the nucleus?
a) Protons and Neutrons
b) Protons and Electrons
c) Electrons and Neutrons
d) All of these

An element is shiny, ductile, and is reactive. This element is grouped with ___.
a) Metals
b) Metalloids
c) Nonmetals
d) None of these

According to the law of conservation of mass, the number of atoms of the reactants and the products should be___
a) Greater than
b) Less than
c) Equal
d) All of these

Which of the following determines the reactivity of an atom?
a) Protons
b) Neutrons
c) Electrons
d) Valence Electrons

Change of state, such as water evaporating, is an example of____.
a) A chemical property.
b) A chemical change.
c) A physical property.
d) A physical change.

The numbers (1-18) at the very top of the Periodic table of elements are called
a) Atomic Number
b) Atomic Mass
c) Group
d) Period

Sodium (Na) belong to Group 1, while Neon (ne), belong to group 18. Which element is more reactive?
a) Sodium
b) Neon
c) Both of them
d) None of them

The element's identity can be determined by its ___
a) Electrons
b) Neutrons
c) Protons
d) None of these

In an atom, the valence electrons can be found at ___
a) the nucleus
b) the outermost shell
c) the innermost shell
d) All of these

An element is dull, brittle, and not reactive. This element is a __
a) Metal
b) Metalloid
c) Nonmetal
d) All of these

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