Atoms Question Preview (ID: 62766)


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An atom that has gained or lost electrons is called an...
a) ion
b) nucleus
c) shell
d) molecule

An ionic bond is when...
a) positive and negative ions combine to form a new compound
b) negative and negative ions combine to form a new compound
c) old and new molecules bond to form a new substance
d) old and old molecules bond to form a decomposition

When the atoms outermost shell is completely filled withe electrons, we call this....
a) full
b) closed
c) too heavy
d) atomically full

When chemical reactions break down a complex compound into two or more simpler compounds we call this kind of chemical reaction ______.
a) decomposition
b) synthesis
c) cool
d) not cool

When chemicals join to form a new substance we call this reaction a _____ reaction.
a) decomposition
b) synthesis
c) compoundic
d) alternative

Atoms may join with other atoms to form units called _____.
a) elemental atoms
b) protons
c) nucleuses
d) molecules

When atoms join with different types of atoms and have a reactions we call this a _____ change.
a) physical change
b) chemical change
c) atomic change
d) loose change

Vertical columns of the periodic table are called ____ and includes elements with the same number of electrons in their outer shells.
a) groups
b) periods
c) categories
d)

What is the Chemical Symbol for Chlorine?
a) C
b) Cl
c) Ch
d) Chlrn

The horizontal rows of periodic table are called...
a) groups
b) periods
c) categories
d) semimetals

What machine can smash an atom?
a) atomic smasher
b) particle accelerator
c) atomic mapper
d) elemental spliter

An atom's ATOMIC NUMBER is the number of _________ it has in the nucleus.
a) neutrons
b) electrons
c) protons
d)

Who was the first scientist to successfully organize the elements into a table?
a) Niels Bohr
b) Albert Einstein
c) Tommy Thomlison
d) Bob

What do we call the center section of an atom
a) protons
b) electrons
c) neutrons
d) nucleus

Which as a positive charge?
a) protron
b) neutron
c) electron
d)

What do we call the cloud-like space surrounding the nucleus of an atom?
a) proton
b) shell
c) nuclear outside
d) electron

What do we call the smallest piece of an element that can be defined as that element?
a) molecule
b) chemistry
c) atom
d) nucleus

How do we define chemistry?
a) Study of matter
b) Study of mixtures
c) Study of mechanics
d) Study of molecules

Stronger acids can...
a) cool quickly
b) freeze into solid state
c) burn your skin
d) dissolve in water

the pH scale is numbered from 0 to ___ and measures the acids (or bases) in a concentration.
a) 10
b) 12
c) 14
d) 16

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