Elements
How many elements are there in the periodic table?
(the closest number to the actual answer)
over 100 different elements
Name the three subatomic particles that make up all atoms.
Protons, Neutrons, and Electrons
What is the element name of Si?
silicon
Photosynthesis is an example of a ___ ___.
chemical reaction
What is a Christian priest’s favorite part of physics?
mass
is water an element?
no, it's a molecule
Which of the subatomic particles is the smallest?
the electron
The number of electrons or protons is represented in the
atomic number
the reactants in photosynthesis are
Carbon dioxide + water
I have cities but no houses, I have mountains but no trees, I have water but no fish. What am I?
Map
gold
Where are all three subatomic particles located?
Protons/Neutrons = nucleus; Electrons = orbitals outside the nucleus
the atomic mass is represented by the number of
protons + neutrons
the products in photosynthesis are
glucose + oxygen
What are the three R’s that keep our planet clean?
re use
reduce
recycle
what gives elements their name?
protons
What are the charges of the three subatomic particles?
Protons - positive
Neutrons - no charge (neutral)
Electrons - negative
Fe (iron) has an atomic number of 26, and atomic mass of 56. How many electrons, protons, and neutrons are there?
electrons 26
protons 26
neutrons 30
to make one glucose, how many carbon dioxides, water molecules do you need?
6 for each molecule
I can rush, I can be still, I can be hot, I can be cold, I can be hard, I can slip through almost anything. What am I?
water
what gives elements their mass?
protons and neutrons
which subatomic particle resides in the orbitals?
the electron
If an atom has 8 electrons, and loses 2 electrons, will it be a positive ion or an a negative ion?
positive ion
The Law of Conservation of Matter states ...
so is this equation following the the law (for 100 more points can you balance the equation).
that matter is not created nor destroyed by physical changes or chemical reactions.
nope
What can be measured but has neither a length nor a width and height?
temperature