How long is an olympic swimming pool (in meters)?
50m
What are the names AND charges of the subatomic particles?
Protons (+1); electrons (-1); neutrons (0)
What is an isotope?
Atoms of the same element that have differing numbers of neutrons.
What is the name of the element in the 4th period and the 2nd group?
Calcium
Conducts electricity when drawn into wires.
Metal
Who is the man that came up with the first way to organize the periodic table?
Dimitri Mendeleev
Worship of Krishna is observed in which religion?
Hinduism
Which country won the first-ever soccer World Cup in 1930?
What subatomic particles constitute the "mass" of an atom?
Protons and neutrons - electrons' mass is negligible.
What do we use to calculate the weighted average atomic mass of elements?
The natural abundance of each isotope and the isotopes' individual mass numbers.
What is the second period and 3A group?
Boron
Brittle
Nonmetal
This is the largest group on the table
Transition metals
What was the first soft drink (soda) in space?
Coca Cola
What is the name of the biggest technology company from South Korea?
Samsung
The number of protons and neutrons in the nucleus of an atom.
Lithium has four ions: Li-4, Li-6 and Li-8. Name another likely isotope of lithium.
Best answers: Li-5, Li-7
What halogen is in the 3rd period?
Chlorine
Metal
This is a group of non-reacting elements
The noble gasses
What is the only edible food that never goes bad?
Honey
Demolition of the Berlin wall separating East and West Germany began in what year?
1989
If an atom has 10 protons and it is neutral, how many electrons does it have?
10e
Magnesium has three isotopes: Mg-23 (78.99%), Mg-24 (10.00%), and Mg-25 (11.01%). What is the weighted average mass of magnesium?
23.3202
What is the name of the metalloid in the 3rd period?
Silicon
Conducts heat, not very maleable
Metalloid
What is another name for group 4A?
The Carbon Group
What is the smallest (land-wise) country in the world?
Vatican City
From which country does Gouda cheese originate?
The Netherlands
An atom has a mass number of 22 and an atomic number of 9 - how many protons, neutrons, and electrons does the atom have?
9 protons and 13 neutrons
Potassium has 3 stable isotopes: K-39 (93.3%), K-40 (0.01%) and K-41.What is the weighted average mass of potassium?
39.1339
A nonmetal in the 4A group.
Carbon
Shiny and brittle
Metalloid
The most reactive group on the periodic table
7A (the halogens)
How many hearts does an octopus have?
3