Vocabulary
Chemical Symbol
Periodic Table
Scientific Notation
Random
100
What does percent by mass mean?
the ratio of the mass of each element to the total mass of the compound expressed as a percentage.
100
What is the chemical symbol for oxygen?
O
100
Where was Dmitri Mendeleev born?
Russia
100
What is the scientific form for 450,000?
4.5 x 10 5
100
Who is cooler Batman or Joker?
Joker
200
What does periodic table mean?
organizes the elements into a grid of horizontal rows call periods and vertical columns called group or families.
200
What is the chemical symbol for chlorine?
Cl
200
How did Mendeleev organize his elements?
they were based on similarities and masses of the elements
200
What is the scientific form for 9,700,000,000,000?
9.7 x 10 12
200
Which brand is better Ford Or Chevy?
Chevy
300
What is a compound?
is made up of two or more different elements that are combined chemically.
300
What is the chemical symbol for hydrogen peroxide?
H2O2
300
When was the periodic table invented?
1869
300
What is scientific form for 52,000,000 and 0.00000000000000009?
5.2 x 10 7, and 9 x 10 -17
300
Who is better Miami Heat or Oklahoma city Thunder?
Miami Heat
400
What is an element?
is a pure substances that cannot be separated into simpler substances by physical or chemical means.
400
What is the chemical symbol for copper?
Cu
400
How is the periodic table organized?
Horizontal rows called periods and vertical rows called groups or families
400
What is the scientific form for 0.000000000000000000000000005?
5 x 10 -26
400
What Year is better 77 or 78?
77
500
What is the law of definite proportions mean?
States that a compound is always composed of the same elements in the same proportion by mass, no matter how large or small the sample.
500
What is the chemical symbol for sodium?
Na
500
Who discovered the periodic table?
Dmitri Mendeleev
500
What is scientific form for 99,000,000,000,000,000 and 0.000000000000000000000009 and 540,000,000,000,000,000?
9.9 x 10 16, 9 x 10 -24, and 5.4 x 10 17
500
What is magic johnson real name?
Ervin johnson
M
e
n
u