This is the difference between a mixture and a compound
What are lots of answers...
Physical or chemical combine
How to separate it
Pure substance or not
ratios constant or not
100
This is how electrons differ than protons in terms of charge and mass.
What is negatively charged with a smaller mass?
100
This is the maximum number of electrons in the 2nd energy level
What is 8?
100
These are 3 ways metals are different than nonmetals
What is many answers...
100
A tank of H2 would have these types of intermolecular forces
What are dispersion forces?
200
Ricardo is testing if the amount of air in a basketball changes the height it can bounce. The height it can bounce would be considered this.
What is the dependent variable?
200
This is the amount of protons, neutrons, and electrons in the isotope K-41
What is 19 protons, 22neutrons, 19 electrons?
200
In the visible light spectrum, this is the type of light with the lowest energy.
What is red?
200
Elements in groups have similar properties is defined as this word.
What is periodic law?
200
This is the energy it takes to break a bond
What is bond dissociation energy?
300
These are 4 of the 5 signs of chemical reaction
What is Light, Gas, Color, Heat, and Precipitate?
300
This is the effect that beta radiation has on a radioisotope's atomic number and mass number
What is atomic number increases by 1 and no change to mass number
300
This occurs when an electron jumps from a high energy level to a low energy level.
How is light is released?
300
Both U and Ho would be elements in this section of the periodic table
What are inner transition metals?
300
This would be an example of a ionic compound
What is many answers... need a metal +nonmetal
400
In a lab, Silivia found that water boiled at 101.5 degrees C. Her percent error is this.
What is 1.5%?
400
These are the two ways that we can control fission reactions in nuclear reactors
What is neutron moderation and neutron absorption?
400
This is the long hand electron configuration of Manganese
What is 1s2 2s2 2p6 3s2 3p6 4s2 3d5?
400
This is how ionization energy and electronegativity are different
What is the idea that ionization energy is the energy it takes to remove an electron where as electronegativity is the ability of an element to attract/steal electrons
400
These are 2 ways you could describe the bond WITHIN N2
What is a triple bond, intramolecular bond, covalent bond, nonpolar bond?
500
A sample with a density of 0.80 g/ml and a mass of 2.01g has this volume? Use correct sig figs i
What is 2.5ml?
500
After 71.5 years, a 4.00g sample of P-32 has decayed such that only 0.125g remain. This is the half-life of P-32.
What is 14.3?
500
Strontium has this many energy levels
What is 5?
500
This has the biggest radius between P3+ and Cl- and this is the reason why