Chem test 1: Gamble

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radio waves

Which of the following forms of electromagnetic radiation has the longest wavelength. infared, radio waves, visible light, ultraviolent.

Tl

Which of the following particles has the greatest atomic radius

C4H5Cl

a compound contains 54.3% C, 5.6% H, and 40.1% Cl. what is the empirical formula?

scientific law

a generalization statement about observations that summarizes experimental facts about nature

falsifiable

a good hypothesis should be __________________, which means that further testing could prove it wrong.

heterogeneous

a mixture whose properties vary throughout

anion

a negatively charged ion is......

conversion factor

a ration of two equivalent quantities using different units.

chemical formula

a representation of a chemical compound

amu

a unit of mass that is one-twelfth of the mass of a carbon 12 atom

alkali metals

an element having the configuration [Xe]6s1 belongs to the group:

theory

an explanation for observations that withstands peer review

volume, mass

matter is defined as anything that has __________________ and _________________.

Magnesium acetate

name the following ionic compound, Mg(C2H3O2)2?

Iron, Fe

of the following elements, the one that forms cations with varying positive charges is: Sr, N, Fe, Al

metalloids

on the periodic table there is a "stair step" dividing line on the right hand side. elements that are along this stair step are ?

noble gases

on the periodic table, the last group on the right is called the......

characteristic properties

properties that can be used to identify a substance and distinguish it from other substances

specific heat

the amount of heat needed to raise one gram of a substance by 1 degree celsius

protons

the atomic number tells you the number of......

formula unit

the basic unit of ionic compounds and the smallest neutral collection of ions

liter

the basic unit of volume is the....

calorie

the energy needed to raise 1 gram of water 1 degree celsius

ZnSO4

the formula for the ionic compound zinc sulfate is

temperature

the measure of the intensity of the energy of the particles in a substance

Significant figures

the non-place-holding digits in a reported measurement

density

the physical property ____________________, defined as the mass per unit volume.

angular momentum

the quantum number that tells you the subshell as electron is in:

mass number

the sum of the number of neutrons and protons is an atom......

groups

the vertical rows on the periodic table

Isotopes

Atoms of a particular elements that have different masses (due to having different numbers of neutrons)

mole

Avogadro's number of unit particles

hund

Electron, when filling orbitals, remain as unpaired as possible, this observation is credited to?

Alkaline Earth Metals

On the periodic table group II A is known as the ?

Chlorine

What element has the noble-gas notation [Ne] 3S23p5

ions

charged particles that form when an atom either gains or loses electrons

20

for the isotope 39 19K, how many neutrons are in the neucleus

accuracy

how close a set of measurements are to the true value

0

how many d orbitals have n=2?

32

how many electrons can fit in all of the orbitals in which n=4

14

how many electrons in an atom can have n=5, l=3

Type II ions

ionic compounds that contain metal atoms that can form several cations

B2Cl4

what is the formula for diboron tetrachloride?

O2

what is the miniting reagent if you start with 22.4 grams of C3H8 and 23.6 grams of O2. Use CO2 as the product

only one decimal place

when performing the calculations 34.530g+12.1g+1222.34g, the final answer must have:

CO2

which of the following compounds is molecular? MgCl2, CO2, K2SO4, Fe2O3

F

which of the following is a halogen? S, F, Kr, Sn

Na

which of the following is a metal? Na, Si, Ge, P

sugar solution

which of the following is a mixture? water, Iron (II) oxide, sugar solution, iodine.

Silver

which of the following is most likely to combine with an anion to form an insoluble salt? ammonium, sodium, silver, potassium

bleaching action

which of the following is not a physical property? boiling point, physical state, bleaching action, color

Fluorine

which of these elements would have the highest ionizing energy? Sulfur, Potassium, Fluorine, Calcium


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