WorksheetsLesson 1 and 2 Concept Check
Total questions: 10
Worksheet time: 3mins
The idea behind the big bang theory was first proposed by...
George Gamow
George Lemetere
George Lemaitre
Fred Hoyle
Big bang is not an explosion but a constant expansion and cooling.
TRUE
FALSE
PARTLY TRUE
INSUFFICIENT DETAIL
He coined the term big bang and is one of the root for the misconception that big bang is an explosion.
Arnold Penzias
Fred Hoyle
Edwin Hubble
George Lemaitre
Edwin Hubble observed the redshift which lead to the discovery of one of the evidences of big bang. Redshift denotes that...
object moves at the same pace with the observer
object moves parallel to the observer
objects moves toward the observer
object moves away from the observer
Energy is produced by the coming together of 2 particles through this type of nuclear reaction.
Nuclear bombardment
Nuclear fission
Nuclear fusion
Nuclear emission
A radioactive decay wherein there is an addition of alpha particle.
Alpha decay
Beta decay
Gamma radiation
Bombardment of an alpha particle
A type of chemical bond that produces charged particles.
Ionic bond
Covalent bond
Metallic bond
Type of chemical bond that is exclusively present between nonmetals.
Ionic bond
Covalent bond
Metallic bond
The f subshell can accomodate a maximum of how many electrons?
2
6
10
14
The rule in chemistry that states certain elements in the periodic table can hold more than 8 valence electrons.
The octet rule
The special octet rule
The expanded octet rule
The octet stability rule
