Acids and Bases
If a substance is neutral, what will it's pH be?
What is 7.
What is the largest component of a mixture?
What is solvent?
What is found at the centre of the atom?
What is the nucleus?
The smallest part of an element
What is an atom?
What percentage of a parent isotope will remain after 1 half-life?
What is 50%?
NaOH is an example of
What is a base?
Water is called the _________ solvent.
What is universal?
Name the subatomic particles.
What is proton, neutron and electron?
Mg is the symbol for what element?
What is Magnesium?
What is half-life?
What is the amount of time it takes for half the nuclei in a radioactive sample of the isotope to decay?
If a solution has a pH of 1.5 then litmus would turn
What is red?
If salt dissolves in water, what is the solute?
What is salt?
How does an atom gain a charge?
What is by gaining or losing electrons?
What is the only difference between two different isotopes of the same element?
What is the number of neutrons?
When nuclei decay, massive amounts of __________ is released.
What is energy?
What is another name for a base?
What is alkaline?
What is meant by insoluble?
What is unable to dissolve?
What is the overall charge of the nucleus?
What is positive?
Which group of the periodic table is composed of inert elements?
What is group 18/ noble gases?
Name three types of radioactive decay.
What is alpha decay, beta decay and gamma decay?
What happens to strong acids and bases in water?
What is they completely break apart into ions?
When a solvent contains as much of the solute as it can hold, the solution is said to be
What is saturated?
An atom has a charge of positive 3. How did it gain this charge?
What is by losing 3 electrons?
How many elements are in H2O?
What is 2?
Double Jeopardy
You have 100 grams of radioactive C-14. The half life of C-14 is 5730 years.
How many grams are left after 1 half life?
What is 50 grams?