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Classifying Elements
Classifying Elements
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Atoms-molecules-periodic table of elements.
Flashcards
15 cards
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Questions
15
Answers
1
A special family of elements that rarely takes part in chemical reactions.
non-metals
metals
metalloids
noble gases
2
Who created the periodic table?
Vladamir Putin
Albert einstein
Dr. Seuss
Dimitri Mendeleev
3
a chart listing the different elements and their properties is called what?
The periodic table
the one- angstrom microscope
The atomic weight chart
The constitution
4
The _________ in a periodic table are called groups or families.
number
lines
columns
rows
5
Protons and Neutrons are in the _________, but electrons are not.
elements
mass
matter
nucleus
6
____________ are on the outside of an atom.
won tons
protons
electrons
neutrons
7
The atomic number of an atom is based on the number of ___________ in an atom.
bon bons
electrons
protons
neutrons
8
The particles that make up all atoms are protons, electrons, and what?
molecule
neutrons
hydrogen
nucleus
9
An example of a metal element.
mercury
hydrogen
helium
neon
10
two or more atoms combine to create what?
atomic weight
molecules
electrons
nucleus
11
Most elements are what?
metalloids
metals
halogens
non-metals
12
Elements that are shiny and conduct heat are called?
non-metals
noble gases
metals
halogens
13
True or False? The element Hydrogen has an atomic weight of 1?
false
true
14
A particle that contains more than one atom joined together.
element
atom
metal
molecule
15
The periodic table shows how ___________ are grouped.
cells
elements
matter
mass
