lab safety
chem. and physical properties
atoms
measurements
periodic table
100

what is the safest type of eye protection?

eye wear/goggles  

100

what is a example of physical change

state of matter, color or texture
100

this creates the atomic mass number

the protons neutrons and electrons

100

what is length"?

the distance between 2 points

100

what is the difference between a group and a period?

groups are verticle and periods are horozontal 

200

what object is used to put liquid in? 

Beaker 

200

what is a chemical change?

odor,rust or combustion 

200

a proton has what kind of charge 

positive

200

what is mass?

amount of matter in an object

200

what side of the table are metals and non-metals?

left side: Metals 

Right side: non-metals

300

if something in the lab breaks, who do you tell? 

An adult/teacher 

300

this type of change transitions from one state of matter to another

what is physical change?

300

a neutron has what kind of charge 

negative

300
what is time?

interval between 2 events

300
what is one family on the table?

alkali metal, gases, metals, transition elements, halogens

400

what is your personal saftey equiptment called?

PPE

400

what does the conservation of mass state

mass cant be created or destroyed
400

a electron has what king of charge?

a neutral charge
400

length x Width x Hight =?

volume

400

why was Mendeleev's periodic table widely accepted?

it correctly predicted the properties of elements

500

This is the safest way to smell a chemical

what is wafting?

500

this is happens when a bomb goes off

chain reaction

500

how many electrons can be in the outermost shell to be stable?

8

500

mass/volume=?

density

500

what is the ionic ratio of aluminum to oxygen in the ionic compound aluminum oxide?

2 aluminum atoms and 3 oxygen

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