What does the atomic number tell you about an element?
The number of protons
What is the element with the atomic symbol H
Hydrogen
What are the three subatomic particles that make up an atom?
Proton, Neutron, and Electron
This range of pH is Acidic
0-7
H2O
Water
A neutral sodium atom has 11 electrons, how many does a Na+ ion have?
10
What is the element with the atomic symbol Br
Bromine
Where in the atom are the protons and neutrons?
The Nucleus
What is the pH of a solution with 1x10-4 M of HCl
4
NaCl
Table Salt
Uranium-238 and Uranium-235 are isotopes because they have the same number of protons but different numbers of what
Neutrons
What is the element with the atomic symbol Au
Gold
What is the charge of a neutron?
neutral
What color does red cabbage turn in a basic solution?
Green
C6H12O6
Glucose
The isotope carbon-12 has 6 protons and 6 neutrons, while carbon-14 has 6 protons and this many neutrons
8
What is the element with the atomic symbol Sn
Tin
What is the charge of a Proton?
Positive
What is concentration of H+ in a solution that has a pH of 12
1x10-12
HCl
Hydrochloric Acid
An isotope of hydrogen that has one proton and one neutron
Deuterium
What is the element with the atomic symbol Y
Yttrium
What is the charge of an Electron?
Negative
NH3
Ammonia