Elements vs compounds
polarity and electronegativity
Isotopes
Average atomic mass
Bunsen burner parts
100
what is part g used for?
controlling the amount of natural gas
100
in a nonpolar covalent bond, the Electrons gather around what?
each atom equally
100
how many neutrons does the isotope of lithium have
5
100
atoms of the same element which have different number of are called what?
isotopes
100
part h is called what?
base
200
what is part g used for?
stability
200
the polarity of a bond Is determined by what?
the differences of electronegativities of the two atoms
200
how many neutrons in c-14
8
200
how many neutrons does that atom of the isotope neon-22 have?
12
200
what is part e called?
air intake hole
300
what part of the bunsen flame is the hottest?
C
300
the Electrons in a polar covalent molecule are shared which way?
unevenly
300
true or false: two isotopes of carbon are carbon-12 and carbon-14, these two isotopes differ from one another by two protons
false
300
what is the atomic number for an element with three protons?
3
300
what is part g called?
needle valve
400
part d is used for?
controlling the amount of oxygen/air
400
the Electrons in a nonpolar covalent molecule share which way?
evenly
400
what quantities vary between isotopes of an element?
neutrons and atomic mass
400
how many neutrons does the isotope of lithium have
5
400
what is part d called?
collar
500
what is part c called?
barrel
500
the Electrons in an ionic molecule are shared?
electrons are not shared
500
in a correctly written symbol what would be located in the a position?
mass number
500
how many protons does this isotope of titanium have?
22
500
what is part g used for?
controlling the amount of gas