Depends on the amount of matter that is present. Examples are volume, mass, and the amount of energy in a substance.
What is EXTENSIVE PROPERTY.
100
Each _____ on the periodic table contains elements with similar chemical properties.
What is a group/family.
100
The number of atoms in one mole.
What is 6.622 x 10^23 atoms in one mole.
100
The man who developed the FIRST atomic theory that was later revised with from experiments.
Who is John Dalton.
100
Convert 15 grams of K into atoms.
What is 15 grams * (1 mol)/(39.10g)* (6.022*10^23 atoms)/(1mol) = 2.31 x 10^23 atoms of Potassium
200
A characteristic that can be observed or measured without changing the identity of the substance.
What is PHYSICAL PROPERTY
200
The horizontal rows on the periodic table.
What is a period.
200
a measure of gravitational pull on matter.
What is weight.
200
A law that states that mass is neither created nor destroyed during ordinary chemical reactions or physical changes.
What is the law of conservation of mass
200
What is the wavelength of a light wave with a frequency of 8.96 X 10^14Hz? (c = 3.00 x 10^8 m/s) c =Tv
What is 3.00*10^8 m/s = (T) (8.96*10^14 Hz)
T = 3.35 x 10^ -7 meters
300
A change in which one or more substances are converted into different substances.
What is chemical change.
300
To the ________ of the staircase are metals.
What is to the left of the staircase
300
meters, liters, mole, kilograms
What is a base unit?
300
The experiment that discovered the electrons in an atom.
What is the cathode ray tub experiment.
300
Convert 1547 Gm to m.
What is 1547000000 m
400
A blend of two or more kinds of matter, each of which retains its own identity and properties.
What is a mixture.
400
The staircase.
What are metalloids?
400
The equation for density.
What is D= m/v (Density = mass/volume)
400
What continues to hold protons together in the nucleus of the atom.
What are nuclear forces.
400
1. Ultraviolet radiation has a frequency of 6.8 × 10^15 1/s. Calculate the energy, in joules, of the photon. E=hv (h = 6.626 x 10^-34 J*s)
What is E= hv. E = (6.8*10^15 Hz) (6.626 x 10^-34 J*s)
E = 4.51 x 10^-18 joules
500
A pure substance that cannot be broken down into the simpler, stable substances and is made of one type of atom.
What is an element.
500
An element that is a good metal conductor and good heat conductor.
What is a metal?
500
Calculated by subtracting the accepted from the experimental value, dividing the difference by the accepted value, and then multiplying by 100.
What is percentage error.
500
If I am an element and my atomic mass is 154 and my atomic number is 16, how many protons, neutrons, and electrons do I have?
What is 16, 138, and 16.
500
4. One of the electron transitions in a hydrogen atom produces infrared light with a wavelength of 7.464 × 10^ -6 m. What amount of energy causes this transition? (c = Tv c = 3.00 x 10^8 m/s) (E=hv h = 6.626 x 10^-34 Js)