General Science Module 8 (General Chemistry)
What is H20 made up of?
2 hydrogen atoms & 1 oxygen atom
What subatomic particles are found in Nitrogen?
7 protons 7 electrons 7 Neutrons
What does the Oxygen atom consist of?
8 Protons 8 Electrons 8 Neutrons
What is matter?
Anything that has mass and takes up space
What are elements?
Atoms with the same number of Protons in the nuclei have similar properties
A simplified model of an atom?
Bohr Model
What is an molecular formula?
Gives the exact numbers of atoms of each element present in the formula of the compound. E.g. Ethane Empirical Formula Ch3, Molecular Formula C3H6
What are the noble gases?
Helium, Neon, Argon, Krypton, Xenon, Radon
What happens if we take away 1 proton from the nitrogen atom?
It turns into an Carbon atom
What happens if we add 1 proton to the nitrogen atom?
It turns into an Oxygen atom
What is the mass number?
Number of protons and neutrons telling the atom's mass
What is an Atom?
The smallest chemical unit of matter
What are ions?
an atom with an overall charge
What are negatively charged atoms?
electrons
What are valence electrons?
electrons in the outermost shell
What are the Orbitals called?
energy levels
How do electrons move around the nucleus?
in orbitals
What are anions?
negatively charged ions
What is Earth's overall charge
neutral
What are the atoms that have no charge at all?
neutrons
What is the atom's center called?
nucleus
What is the atomic number?
number of protons in the nucleus
What is the table called where the scientist compiled a bunch of information of elements.
periodic table of the elements
What are the 2 types of electrical charges?
positive and negative
What are cations?
positively charged ions
What are positively charged atoms?
protons
What are the 3 components of an atom?
protons, electrons, neutrons
What is an covalent bond?
sharing of electrons between atoms
What are the 3 basic states of Matter?
solid, liquid, gas
What are protons, neutrons, and electrons called?
subatomic particles
What is combustion?
the process of burning something
What are molecules?
two or more atoms bonded together to make a substance with unique properties
What is an ionic bond?
when ions are attracted to each other
