Matter
This piece of safety equipment measures mass
What is a balance or scale?
On the periodic table, a column of elements with similar properties.
What is a group?
The positively charged particle in the nucleus of an atom.
What is a proton?
This group of atoms have full valence shells when neutrally charged, making them the most stable group on the periodic table.
What are the noble gases?
A substance that is able to dissolve in water.
What is soluble?
A substance which has mass and volume.
What is mass?
A change in the properties of matter which results in the creation of a new substance.
What is a chemical change?
Two atoms with the same atomic number but different atomic masses.
What is an isotope?
In the flame test lab, this type of ion determined the color of the flame.
What is metal?
What is 14 electrons?
Desks, water, chips, and gas are all examples of this.
What is matter?
This law states that the amount of a substance you start with is equal to the amount of substance you should end with.
What is the law of conservation of mass?
A type of chemical reaction that changes the elements involved in the reactions, and not just the way the elements are connected.
This type of electron is found in the outermost electron shell and determines the properties of the element.
What are valence electrons?
The atom with the electron configuration 1s22s22p63s1
What is Sodium?
The density of an object with a mass of 100g and a volume of 10mL.
What is 10g/mL?
The name of the group on the periodic table which includes Neon, Helium, and Krypton.
What are the noble gases?
A particle consisting of 2 protons and 2 neutrons which is emitted from a nucleus after a nuclear reaction with the symbol 42He.
What is an alpha particle?
The charge of the most stable oxygen ion
What is -2?
A type of bonding between atoms for substances that do not dissolve in water but do conduct electricity.
What is metallic bonding?
The method of determining the volume of an object using water and a graduated cylinder.
What is water displacement?
The number of atoms of oxygen in the substance Mg(OH)2
What is 2?
The atom produced when K-40 undergoes alpha decay.
What is Cl-36?
The formula for the ionic compound magnesium chloride.
What is MgCl2?
The type of bonding that the substance NaCl will have.
What is ionic bonding?