Chemistry Basics
Atomic Theory 1
Measurements
Measurements
Periodic Table
100
Type of element that is a good conductor of heat and electric current...
What is a metal?
100
All atoms are (on the periodic table)...(protons=electrons)
What is neutral, with the number of protons equaling the number of electrons?
100
A golf ball has more mass than a tennis ball because it has more ...
What is matter?
100
What is the measurement 111.009mm rounded off to four significant digits...
What is 111.0mm?
100
What is the most stable electron configuration of the 4f energy sublevel?
What is 4f14?
200
Energy required to remove an electron from an atom...
What is ionization energy?
200
This hypothesis led to the discovery of the proton...
What is...When a neutral hydrogen atom loses an electron, a positively-charged particle should remain?
200
Which state of matter expands when heated and is easy to compress...
What is a gas?
200
Which of the following volumes is the smallest.... one microliter, one liter, one milliter, one deciliter.
What is one microliter?
200
How does the speed of visible light compare with the speed of gamma rays, when both speeds are measured in a vacuum?
What is they are the same speed?
300
Type of element characterized by the presence of electrons in the d orbital... (d block elements)
What is a transition element?
300
As a consequence of the discovery of the nucleus by Rutherford, what model of the atom is thought to be true...
What is Electrons are distributed around the nucleus and occupy almost all the volume of the atom?
300
Which of the following is a homogeneous mixture.. Salt water, beef stew, sand and water, soil...
What is salt water?
300
How many significant figures are in the measurement 0.0034kg?
What is two?
300
How are the frequency and wavelength of light related?
What is they are inversely proportional to each other?
400
Ability of an atom to attract electrons when the atom is in a compound....
What is electronegativity?
400
The correct symbol for an atom of tritium...(radioactive/heavy Hydrogen)
What is 3/1 H?
400
Which state of matter takes both the shape and volume of its container...
What is a gas?
400
What is the quantity 0.0075meters expressed in cm?
What is 0.75cm?
400
Which subatomic particle plays the greatest part in determining the properties of an element?
What is the electron?
500
One-half the distance between the nuclei of two atoms when the atoms are joined...
What is atomic radius?
500
In Bohr's model of the atom, where are the electrons and protons located...
What is electrons move around the protons, which are at the center of the atom?
500
What is used for chemical symbols?
What are letters?
500
Density is found by dividing ....
What is mass by volume? (mass/volume)
500
Which element has the lowest electronegativity value... cesium, helium, calcium, fluorine
What is cesium?
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