stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Elements Flashcards | StudBud
Explore
/
Elements
The core of an atom is called the...
The number of protons in carbon is
Elements
20 terms
·
StudBud Administration
·
27 plays
#elements#periodic table.
Flashcards
20 cards
F
Practice quiz
P
Host live
L
Questions
20
Answers
1
The number of protons in carbon is
12
2
4
6
2
The core of an atom is called the...
electron
proton
nucleus
neutron
3
Name the halogen.
Chlorine
Magnesium
Gold
Krypton
4
What element has a symbol Hg?
Gold
Carbon
Boron
Mercury
5
In every chemical reaction the following happens
dissolving
Energy change
a new substance is formed
Gas given off
6
Most of the elements in the periodic table are....?
metals
non-metals
unreactive
gases
7
Name the Noble Gas
Chlorine
Oxygen
Fluorine
Xenon
8
In the periodic table a horizontal row is called what?
period
group
family
metal
9
Name the transition metal
Sodium
Potassium
Magnesium
Iron
10
How many types of atom are in an element?
1
3
100
2
11
Name the liquid at room temperature.
Sodium
Neon
Carbon
Bromine
12
A reaction rate can be increased by
increasing surface area
decreasing temperature
decreasing concentration
removing a catalyst
13
Name the alkali metal
Iron
Calcium
Caesium
Neon
14
The atomic number is equal to the
number of atoms
number of protons in the nucleus
mass number
number of neutrons
15
What is the symbol for gold?
Ag
Au
G
Cu
16
A compound containing sodium, hydrogen, carbon and oxygen could be called...
sodium hydroxide
sodium carbide
sodium carbonate
sodium hydrogen carbonate
17
How many elements must a compound have?
2
1
At least3
At least 2
18
In the periodic table a vertical column is called what?
period
metal
group
family
19
What is the smallest part of any substance?
mixture
compound
element
atom
20
sodium chlorate is a compound containing the elements sodium, chlorine and what?
carbon
nitrogen
Fluorine
oxygen
