Chemistry
What is the name of the particles found in the nucleus of an atom?
Protons and neutrons
Mr. Clarke is how old?
303,781 hours old
(34 years)
Simplify the expression:
3x + 5x
8x
What is the smallest country in the world by land area?
Vatican City
What is the name of the breed of dog that is commonly used by police for detection and patrol work?
German Shepherd (also accept Belgian Malinois)
Hydrogen has an atomic number of 1 and a mass number of 1. How many neutrons does it have?
0 neutrons
Mr. Clarke's sons name is
Jude
Solve for x:
2x − 7= 5
x = 6
What element is named after the creator of the periodic table?
Mendelevium
Which breed of dog is genetically closest to the wolf?
Shiba Inu or Alaskan Malamute (both are very closely related)
Balance the following chemical equation:
H2+O2→H2O
2H2+O2→2H2O
If Mr. Clarke could go back to school what would he study?
Music
5(x + -3)
5x -15
Who was the first woman to win a Nobel Prize, and in what field?
Marie Curie, in Physics (1903)
Why do dogs pant instead of sweating like humans?
Dogs don’t have sweat glands over their bodies like humans. Panting helps evaporate moisture from the tongue and respiratory tract to cool their bodies down.
Magnesium reacts with hydrochloric acid to form magnesium chloride and hydrogen gas. Write a word and balanced symbol equation for this reaction.
Magnesium + Hydrochloric acid → Magnesium chloride + Hydrogen
Symbol: Mg + 2HCl →MgCl2 + H2
Name the 3 animals that Mr. Clarke has at home
Winnie, Otto and Bernie
Expand and simplify:
(x+3)(x−2)
x^2 + x -6
What ancient city was buried under ash following the eruption of Mount Vesuvius in 79 AD?
Pompeii
According to research by psychologist Stanley Coren, what is the most intelligent dog breed in terms of obedience and working intelligence?
Border Collie
Explain why elements in the same group of the periodic table have similar chemical properties. Use electron configuration in your answer.
Elements in the same group have the same number of electrons in their outer shell, which determines how they react. This similar valence electron configuration gives them similar chemical properties.
Mr. Clarke's middle name
Anthony
Solve for x:
5x + 2 = 3x + 10
Subtract 3x from both sides: 2x + 2 = 10
Subtract 2: 2x = 8
Divide by 2: x = 4
A plane takes off from New York at 6:00 PM local time and lands in London 7 hours later. What time is it in London when the plane lands?
6:00 AM (London is 5 hours ahead of New York; 6:00 PM + 7 hours = 1:00 AM NY time → 6:00 AM London time)
A black Labrador is bred with a yellow Labrador. What coat colors could their puppies be, and why?
The puppies could be black, chocolate, or yellow, depending on the combination of alleles inherited.