Chemistry
What word represents "Iron" in the periodic table?
Fe
Is displacement a scalar quantity or a vector quantity?
Displacement is a vector quantity.
How many chromosomes does each sometic cell in our body have?
46
Which galaxy are we in?
Milky Way galaxy
which of the following are soluble?
(A. all ammonium
B. all nitrates
C. all hydroxides)
A and B
What is the other name of noble gases?
Inert gases
Is the inertia a force?
No.(It's a tendency)
Is mitosis asexual reproduction or sexual reproduction?
Asexual reproduction
Which procedure(e.g.:Nebula, white dwarf) is the Earth in now?
Main sequence
What is the name of the elements from 57 to 71?
Lanthanides
Name one allotrope of carbon.
diamond/graphite/buckyballs
What is the other name of Newton's first law?
The law of inertia.
What is the genetic code?
The order of the bases along the DNA strand.
How many light-years are equal to one parsec?
3.26 light-year
What is the name of the element 79?
Gold
What is the name of the group 17 in the periodic table?
Halogens
What is the formula of the kinetic energy?
Ek=0.5mv2
How many chromosomes does a mature red blood cell have?
No chromosomes
What would be the final procedure of a low-mass or a medium-mass star?
Black dwarf
What groups are the transitional metals in? ( in the periodic table)
Group 3 to 12