Atoms and Subatomic Particles
What is a nucleus of an atom and what are components?
Consist of electrically positive protons and electrically neutral neutrons.
What is an ionic bond?
An electrical attraction between 2 oppositely charged atoms or groups of atoms called ions
Property of what which allows it to move against gravity in plant systems
Cohesion/capillary action
What is force?
A force is an action that changes or maintains the motion of a body or object.
What's the maximum number of electrons can fit into the second energy level?
8 electrons
Hydrogen Bond
Water's ability to dissolve many substances comes from which property?
Polarity
This Newton's Law explains why a ball keeps rolling until friction slows it down
Law of Inertia
For an atom with an atomic mass of 23 and 11 protons, what Is the number of neutrons?
12 neutrons
What is the simplest type of chemical reaction which involves combining two elements to form a compound?
Synthesis reaction
Between which pH do most cellular processes occur?
pH 6.5 - 7.5
What is Newton's Third Law?
Every action has an equal and opposite reaction
Here is an element, what are these numbers and letters (4 components)?
The number in left corner is atomic number, letter is a symbol, name is an element, and number in the bottom is atomic mass
What is the chemical equation that provides your body with energy?
C6H12O6 + 6 O2 → CO2 + H2O
Glucose and oxygen react to form carbon dioxide and water
What is a colloid? What are examples?
A heterogeneous mixture in which the particles do not settle. Examples are smoke, nutter, milk, paint, ink, blood.
According to Newton's Second Law, if a force of 30 N accelerates a 10-kg object, this is the resulting acceleration.
2 m/s2