Assignment On Subatomic Particles

Subatomic particles
that have a positive
charge are:
Answer: neutrons
protons
electrons
quarks
Which of the following has the same number of significant
figures?
Answer: 101.0 g, 22.45 g,
1111g
0.0001 g, 1000 g,
1.0 x 103 g
3003 g, 88 g,
0.022 g
999 g, 3.13 g,
0.10 g
Bondingoccursdueto
Answer: the Pauli exclusionprinciple.
Hund's rule.
thelaw of conservation.
theOctet rule.
Elements located in the p
block:
Answer: are made up of metals, nonmetals, and metalloids.
are made up of elements that are solid, liquid and gases at
room temperature.
areallnonmetals.
both a & b.
When a metal and a nonmetal bond, the result is a(n) ______.

Answer: metalliccompound
covalentcompound
ioniccompound
Which element below would have the highest electronegativity
value?
Answer: barium
lead
sodium
fluorine
Which element
below would have
the highest atomic
size?
Answer: barium
oxygen
sodium
fluorine
The symbol for carbon is
___.
Answer: C
Ca
Co
Cu
The electron configuration
for potassium is ____.
Answer: 1s22s22p23s23p34s1
1s22s23s23p63d7

[Ar]4s1
[Kr]3s23p3
When two elements share electrons, this is known as ____.
Answer: covalentbonding
ionicbonding
metallicbonding
How is a mixture different from a compound?
Answer: A mixture is a man-made substance, while a compound is a naturally
occurring substance.
A mixture can contain many elements, but a compound can only contain
two elements.
A mixture can always be seperated into its parts with a magnets, but heat
must be applied before a compound can be separated.
A mixture can be separated into its parts through physical action, but a
compound can only be separated into its parts by a chemical action.
In the early 1800s, John Dalton formulated his Atomic
Theory. Later experiments caused important revisions to be
made. Of Dalton''s statements below, which one had to be
changed to reflect new evidence of the atomic stucture of
matter?
Answer: Atoms of different elements can physically mix together.
All elements are composed of submicroscopic indivisible
particles called atoms.
Atoms of different elements can chemically combine
with one another in simple whole-number ratios to form
compounds.
Atoms of any one element are different from those of
any other element.
Select the correct statement about subatmoic particles: