Show:
Dimensional Analysis and Temperature
Elements
Significant Figures
Definitions
The Periodic Table
100
To do dimensional analysis problems we use _______.
What is conversion factors
100
Elements are made up of ______, which are the smallest particle that keeps a chemical identity, which in combinations create ________.
What is atoms and molecules.
100
1.57 x 10^23 + 3.69 x 10^28=__________.
What is 3.69 x 10^28.
100
____________is the study of matter and its changes.
What is Chemistry.
100
__________ was given credit for the creation of the Periodic Table, because he gave attention to certain properties of the elements and had them grouped accordingly.
What is Dmitri Mendeleev.
200
16.7cm is ______in.
What is 6.57in.
200
Sr Spell out your answer.
What is Strontium.
200
5.962/10.38976
What is 0.5738.
200
There are __ States of Matter: _______, is definite in shape and in volume, ______, is indefinite in shape and definite in volume, and ______, which is indefinite in shape and volume.
What is 3, solid, liquid, gas.
200
Positive ions are called ______. Negative ions are called _______.
What is cations and anions.
300
Given t(f)= (9/5)t(c) + 32F. 104.5 degrees Celsius is ________degree Fahrenheit. Report to the correct significant figures.
What is 220.1 degree Fahrenheit.
300
Sb Spell out your answer.
What is Antimony.
300
3.924+7.29+0.1345+1.632+20.65578
What is 33.6.
300
______________ have the same properties no matter where you are or where they come from.
What is Pure substances.
300
The Periodic Table has rows, which are also called ______, and columns, which are also called ______ or _______.
What is periods, families or groups.
400
Given t(c)=(5/9)(t(f)-32F). 63.3 degrees Fahrenheit is _______degrees Celsius. Report to the correct significant figures.
What is 17.4 degrees Celsius.
400
Np Spell out your answer.
What is Neptunium.
400
1,265,792.0 with 4 significant figures is ______ scientific notation.
What is 12.65 x 10^5.
400
______ do not have definite compositions, and have ________ which are not the same everywhere (ex: gravel), and _________ which are the same throughout.
What is Mixtures, heterogeneous, homogeneous.
400
_____are the most abundant in the Periodic Table, and are _____ of heat and electricity, and described as being shiny. _____have various appearances, and can ranged from being colorless to highly colored, and are non-conductors of heat and electricity, and described as being ______.
What is metals, conductors, non-metals, brittle.
500
Gold's density is 19.3 g/mL. A 6.2cm by 4.5cm by 19.89cm block of Gold weighs _______lbs. Report to the correct significant figures.
What is 2.4 x 10^1 lbs or 0.24 x 10^2 lbs.
500
Mo Spell out your answer.
What is Molybdenum.
500
9.8996 x 15.6453 x 7.21 x 50.1 x ___________= 115503655.9. Now for the right side of the equation the correct number with the correct amount of significant figures in scientific notation would be ___________.
What is 2064.53, 1.16 x 10^8.
500
A _________ is a guess, while a _________ is a statement we make that tells how things are working and a _______ is the explanation.
What is hypothesis, law, theory.
500
Group 1 are known as the _________ which are very reactive. Group 2 are known as the _________which are fairly reactive. Group 15 are known as the ________ which contain the nitrogenous elements. Group 16 are known as the ________which are somewhat reactive. Group 17 are known as the ________which form diatomic molecules and are very reactive. Group 18 are known as the ________which only occur as atoms and do not typically form molecules.
What is alkali metals, alkaline metals, Pnictogens, Chalcogens, Halogens, Noble gases