Worksheetsmole day 2 game
Total questions: 15
Worksheet time: 9mins
when using a bunsen burner you should
reach over the flame
walk away and leave it unattended
turn it off when finished
light it immediately when entering the lab
Which of the following is NOT a safety violation listed in the picture?
broken glass on the floor
safety station is set up with fire blanket
food open in lab
Fredy is horseplaying in lab
How many sig figs are in the number below...
0.00023
2
5
6
0
How many sig figs are in the number below...
10.0108
3
5
6
0
Sodium has + charge, which means it is a...
anion
monoatomic ion
polyatomic ion
cation
OH - is a combination of two different atoms which makes it a....
monatomic ion
polyatomic ion
cation
anion
Why are the noble gases stable? (best answer)
they have a full outer shell
they all have 8 valence electrons
they bond with other elements
they are all gases
The majority of the periodic table is composed of
gases
solids
liquids
synthetics
the metalloids are found where on the periodic table
on the left
on the right
along the stair step
at the top
the atomic number of carbon is ___ and represents the number of ___
6, neutrons
12, protons
12, electrons
6, protons
Which of the following are chemical properties of elements? (choose all that apply)
boiling point
flammability
phase of matter
reactivity
How many electrons can the innermost energy level/shell hold?
2
8
6
18
the d orbital can hold a maximum of how many electrons?
8
2
6
10
What subatomic particle is unique to each element, changing it would change the element?
protons
neutrons
electrons
valence electrons
Which of the following is NOT a lab safety rule?
no horseplay in lab
keep hair pulled back and goggles on
waft chemicals
eat and drink freely in lab
