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Periodic Table and More Flashcards | StudBud
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Periodic Table and More
Periodic Table and More
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1
How many Neutrons are in the element?
11
23
10
12
2
Whatis the smallest particle of an element?
atom
compound
mixture
<p>molecule</p>
3
The__________carbon combines with the__________oxygen to form the carbon dioxide.
element; compound; mixture
compound; element; mixture
compound; compound; element
element; element; compound
4
The smallest part of a compound that still has the properties of that compound isa(n)
mixture
<p>element</p>
nucleus
molecule
5
If you leave a bike outside, over time a reddish substance, rust, forms. This is a(an) _____.
element
atom
compound
mixture
6
Oil spills in a body of water, the floating oil on top of the water is removed. What property?
melting point
chemical reactivity
density
boiling point
7
Bob is baking a cake. He pours flour and sugar into an empty bowl. He has a(n) __________.
compound
mixture
element
atom
8
The number of atoms in the formula:
CaCO
3
6
5
4
3
9
Scientists have discovered just over _____ different elements with unique properties.
<p>200</p>
150
100
250
10
What is the atomic number of the Element?
11
23
34
11
The chemical symbol for Mercury is
<p>Mg</p>
Me
Hg
Ha
12
An element is made up of
different types of atoms chemically combined.
a mixture of different types of atoms
different types of cells.
only one type of atom.
13
Air contains different individual gases(mostly N and O). What correctly describes air?
compound
mixture
liquid
element
14
If Chlorine is on Column 17...How many Valance Electrons?
10
17
7
11
15
Number of elements in this formula:
CaCO3 Calcium Carbonate
2
6
4
3
