The table below དང༌ ལྡན་ ༢༣༥
Substance
the tolong point and melting point of
Melting points
Boiling Point of
A
-78
-33
B
-39
75
C
IS
135
physical state
the
op
What the
som temperature
four​

Sally is making a model of a magnesium atom with an atomic mass number of 24 for her chemistry class. she has foam balls for the protons, neutrons, and electrons. she has added 6 neutrons to her model so far. how many more neutrons does she need to add to complete her neutral atom of magnesium?

The twister and runaway train are two coasters at the same amusement park. both coasters start at the same height. the coaster for the twister is twice the mass of the coaster for the runaway train. which roller coaster has greater gravitational potential energy at the start of the ride?

Which element has the lowest electronegativity? calcium(ca) gallium(ga) selenium(se) bromine(br)