Atoms
What elements make up this word
CHeF
C, He, F word
What elements make up this word
GeNiUS
Germanium + Nickel + Uranium + Sulfur
What are the horizontal rows called?
Periods
Is burning wood a physical or chemical change?
chemical
What is the smallest prime number?
2
What are the three main subatomic particles?
neutron, proton, electron
What elements make up this word
BaCoN
Ba + Co + N
left to right (decreasing reactivity)
Is melting ice a physical or chemical change?
physical
What is the largest internal organ in the human body?
Liver
An atom has 11 protons. What element is it?
Sodium
Which family contains lithium, sodium and potassium?
Alkali metals
Which family contains helium, neon and argon?
Nobel Gases
A substance changes from a solid to a liquid. Have new particles been produced?
no
Which ocean is the smallest?
Arctic
What determines which element an atom is?
Proton number
Why doesn't the symbol for sodium match its English name?
Comes from it's Latin name
Who is most commonly credited with developing the first widely recognised Periodic Table?
Spell their name correctly
Dmitri Mendeleev
What is the key difference between a physical and chemical change?
A chemical change produces new substances; a physical change does not.
Which scientist formulated the three laws of motion?
Issac Newton
What does the word "periodic" mean in the context of the Periodic Table?
Patterns or properties repeat regularly.
In what year was Mendeleev's first widely recognised Periodic Table published?
1869 +/- 10 accepted
An element is in Group 1. How many electrons does it generally have in its outer shell?
1
Give two clues that a chemical change may have occurred.
Gas production, colour change, temperature change, precipitate formation, or light produced.
Which country has won the most FIFA World Cups?
Brazil