Chem 1 Stamer

When a hydrate like MgSO₄ x 7 H₂O

steel, which is a homogeneous mixture of metals, can also be described as a(n)

burns

How many TOTAL atomic orbitals are found in the 2nd principal level n=2

which is the correct way to describe iron in the gas phase

what types of orbitals can be found in the 3rd principal level

a compound or molecule that exists, where the numbers of atoms of each element are specified is

a compund that has a specific number of water molecules bound to its atom is called

the molar mass of Al₂(SO_{4) is}

The most reactive elements on the periodic table

how many nuetrons does copper-62 have

Who's the G.O.A.T?

a mixture of iron and sulfur could best be seperated with

whats another name for accuracy

which man proposed atomic orbitals

Father of Modern chemistry, developed modern atomic theory

which of the following has the lowest frequency

what is the mass number for the isotope of chlorine with 20 nietrons

0.005980 mg has

Joule is the SI unit for

in bar and line graphs, independent (V) should always appear on the

was credited with designing the original periodic table of elements

sand from a seashore

Which family has the lowest ionization energy

Meters/Second would be appropriate units for

Hydrogen, an explosive gas, can be produced by a reaction of

6.02x10²³ is

an atom exists in

as you go across the period atomic radii

what is the density of mineral oil if 18.0 g of the oil occupy a volume of 15,2 ml

the correct electron configuration for geranium is

how many atoms are there in 24 grams of ozone, O³

This is used to accurately dtermine the mass of an object

when heating up a hot water bath, a beaker is placed on this

Discovered the electron, developed the Plum Pudding Model

which of the following elements would have the largest atomic radius

Which of the following is NOT a solution

correct noble gas electron configuration for copper is

a chemical reaction stating it formed 32 grams of precipitate and gave off 16 mL. what is this

if 12 g of carbon combine with oxygen to form 44 g of Carbon dioxide, how many g of O are used

A centrifuge is a device that

which of the following ranks the devices measuring volume from least accurate to most accurate

When an oxide like Ba(ClO₃)₂ is heated

the 2 sub-atomic particles that have opposite charges are the

when a reaction is exothermic it

How many atoms of oxygen are in 3 formula units of Fe(NO₃)₃

which element would have electrons in the d-block

this is used to hold a crucible on the ring of a ringstand

1 lb= 453.59. if a child weighs 24.0 kg, how many pounds does the child weigh

a hydrate that has had all its water removed through heating would then be called

these are used to determine the # of digits in a conversion problem

This is used to reset an analytical balance to zero grams

calculate the frequency of radiation with a wavelenth of 1.5 x 10 -10

percent by mass of each element in a compound is called

the Greek Philosopher that was shunned by Aristotle because of his views on matter

Calculate the mass of 9.55 x 10¹⁸ molecules of NO₂

when 220,584 g is rounded to four sig figs it becomes

weight is:

when heating a hydrate in a bunsen burner, you might place the hydrate in this

Calculate the energy of a photon having a frequency of 3.0 x 10__20/s

What color of visible light possesses the least energy

this states that orbitals hold 2 electrons,each with opp. spins,also states that no 2 have 4 #s

what is released when electrons move within an atom

Calculate the mass of zinc in 155 grams of zinc nitrate, Zn(NO₃)₂

a formula with the smallest whole number mole ratio of elements is called

which has the lowest energy level

while keeping all of the variables the same except one during an experiment is called

which of the following correctly describes a hypothesis and theory

Discovered the nucleus with the gold foil experiment

these have a definite shape

how many protons does bismuth-188 have

how many moles are in 400. g of NaOH

One O₂ is called

brass

how many grams are in 192 moles of HCl

Calculate the MF for a compund with a molecular weight of 30.0g, which is 80.0% C and 20.0% H

the base SI units for length,mass, and amount are

if u wanted to test to see what mixtures of colors was used to make purple ink,what would u use

Calculate the percent by mass of zinc in zinc phosphate, Zn₃(PO₄)₂

an atomic orbital is

a judgement formed from info obtained during an experiment is called___

when 60.0 m/s is converted to km/hr it becomes

for a mixture to be heterogeneous

a verbal, visual, or mathematical explanation for something

which of the following is true

Density

which of the following is NOT an example of a physical change

an object has of 360 kg on earth, whats the objects mass on the moon

the density of steel is 7.84 g/cm3. what is the mass of a steel cube with 1.25 cmx1.25cmx1.25cm

A compound is composed of 62.5% calcium,37.5% carbon.The molecular weight is 198.What's the MF

A compound is 69.8% iron and 30.2% oxygen. What is the empirical formula for this compound

one mole of NaOH has a mass of approximately 40 g. This mass is called its

inner blue cone represents

when preparing an acid solution

the charge of a proton

The smallest unit of an ionic compund is called

Hertz is a unit for

All volumes measured with this cylinder should be recorded to

colors of light are given off when

which of the following is a physical change

which of the following is a definition that classifies matter

filtration is a technique that would be used to