Elements, Compounds and Mixtures
Matter and the Atom
Scientific Method
Lab Safety
random
100

Carbon (C) is an example of a ________________?

element 

100

True or False: A Cation is an ion with a positive charge.

true

100

Data that refers to the numerical values of what we are observing is:

quantitative data 

100

True or False: When disposing of chemicals, it is proper procedure to pour all unused chemicals down the drain.

false

100

Which situation would the power shower come in handy?

a piece of clothing on fire 

200

A ____________ is a substance made of atoms of two or more different elements that are chemically combined

compound 

200

Which subatomic particle has a positive charge?

protons 

200

 

A variable that stay the same regardless of what else you are changing is a __________ variable.

controlled  

200

True or False: When working with chemicals, it is the best practice to smell the chemicals directly, rather than wafting them towards you

false

200

Cole is testing to see if what he drinks before running effects his finish time. He tests it with water, juice, milk and carrot juice. He wears the same clothes and shoes regardless. What variable would the different drinks be classified as?

independent 

300

True or False: When elements combine to make a specific compound, they always combine in the same proportions

true

300

Which subatomic particle has a neutral charge?

neutron 

300

 

A variable that will be changed by the variable you change, meaning this is you are measuring the change of, is a _____________ variable

dependent 

300

What does the P in PASS stand for, in regards to fire extinguishers?

pull the pin

300

Which subatomic particle do we use in order to make the atomic number

proton

400

A __________________ is different from the elements that it is composed of, but a ____________________ may have properties similar to the pure substances that form it.

compound, mixture 

400

Which subatomic particle has a negitive charge?

electrons 

400

A variable that is changed by you in the experiment, meaning this is what you are changing each time you do a trial, is a _____________ variable.

independent 

400

 

How long should you cleanse out your eyes after getting chemicals splashed up into them?

20 min

400

Which subatomic particle orbits the nucleus?

electron

500

When substances doesn't mix uniformly and aren't evenly distributed they form a _______________________

heterogeneous mix 

500

what is the current model of the Atom?

electron cloud model 

500

Data that refers to the characteristics of what we are observing is:

qualitative data 

500

When taking recently heated glassware, you should clean it in___

what is, warm water

500

A ________________ is a combination of chemical symbols and numbers to represent a substance. It shows how many atoms of each element are in a unit of a substance.

chemical formula