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Bio Stack 1 Houtchen

Intro to Biology, Atoms, Elements, Compounds, Bonds, Prop of Water

proton, neutron, electron 3 parts of an atom
Covalent Bond Shares electron between atoms
Which type of attraction causes capillary action? Adhesion
Compound molecule two different elements joined together
Attraction of molecules of the same substance Cohesion
What are the 2 types of mixtures made with water? Solutions & Suspensions
Ology Study of
The substance that dissolves the solute is called a Solvent
Material composed of two or more elements or compounds that are mixed together but not chemically combined. Mixture
Found in nucleus with neutron Proton
If an atom gains or loses a charge it is known as an _________ Ion
What type of attraction causes water to form a meniscus? Adhesion of Cohesion Adhesion
Part of atom in constant motion Electron
Neutron About the same mass as a proton
When charges are distributed unevenly in a molecule it is known as a _________________ Polar Molecule
Electron Found outside of the nucleus
Attraction between molecules of different substances Adhesion
When atoms of the same kind are grouped together and form a pure substance Element
Atoms of the same element that have a different number of neutrons Isotope
Used to form chemical bonds Valence Electrons
What has to be present for life to exist? Water
When charges are unevenly distributed, more electrons at one end than the other. It is known as a? Polar molecule
Polar molecules attracted to each other Hydrogen Bond
A substance that is dissolved in a solvent is called a Solute
A mixture in which moving water molecules keep small particles, which do not dissolve, suspended so that they do not settle out Suspension
Part of atom that is the same as the atomic number Proton
Biology Study of Life
Found in nucleus of an atom with a proton Neutron
Ionic Bond Transfers electron to other atom
Which type of attraction can cause surface tension in water ? Cohesion or Adhesion Cohesion
Part of the atom with no charge Neutron
Amount of heat energy required to cause an increase in the temperature of a substance Heat Capacity
Bio means Life
Positive charged atomic particle Proton
Type of mixture in which all components are evenly distributed. Solution
Which bond is weakest? Hydrogen, Ionic or Covalent Hydrogen Bond
Cell smallest building block of life
The greatest solvent on Earth is ____________ Water
When a substance has dissolved all that it can it has become _____________. Saturated
Part of an atom with a negative charge Electron
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