Atomic Structure
What is a mass number?
Protons and nucleus in an nucleus.
What chemical element is O?
Oxygen
What is a chemical bond made of?
Atoms.
Thermal energy.
What do the prefixes mean in covalent compounds?
Number of atoms.
3p orbital has how many radial nodes?
One.
What do the dots in a lewis dots diagram represent?
It represents valence electrons.
What is a Chemical Bond?
A chemical bond is a lasting attraction that enables formation of molecules, crystals and more structures.
What is kinetic energy?
Kinetic energy is energy which is gained when the object is in motion.
What ending does a non-metal get?
"Ide".
What does Bohr's model show us?
It shows us that electrons move around the nucleus in different orbits than other electrons/ elements.With this we can determine the elements properties.
What chemical element is Cu?
Copper
What are the types of chemical bonds?
Ionic, Covalent Bond.
What main elements cause combustion?
Oxygen, heat, and fuel.
How much atoms does an polyatomic ion have minimum?
More than 1
What is the element with the number 63?
Europium.
How are the elements of a period arranged in the periodic table, from left to right?
In order of increasing atomic number?
What is a polar and non-polar bond?
A polar bond is when electrons are shared unequally with each other. A non-polar bond is when they are shared equally with each other.
What is the law of conservation of energy?
That energy cant be created nor destroyed.
What are all the endings to the first 5 names?
Mono, di, tri, tetra, penta.
What is the atomic theory?
Matter is composed of particles that are atoms.
What are the 5 groups of the periodic table?
Alkali Metals, Alkali earth metals, transition metals, halogens and noble gases.
What is a cation and anion?
A cation is a ion that is positively charged. A anion is an ion that is negatively charged.
What is an endothermic reaction?
It absorbs heat and cools surroundings.
What is the criss-cross technique?
The numerical value of each of the ion charges is crossed over to become the subscript of the other ion