Atom
The identity of an atom is decided by
What is the protons?
the charge on a nucleus is
what is positive?
electrons can be lost or gained to become
What is ion?
In an experiment, scientists the “cause” is also called the _________________ variable.
what is IV?
5 cookies for connect group is an example of ________________ measurement.
What is quantitative?
The protons are found in the atom's
What is the nucleus?
The charge on the neutron is?
What is 0?
All life must have this element.
What is carbon?
The “effect” in an experiment is known as the .
What is DV?
What is the variety of organisms considered at all levels, from populations to ecosystem called?
what is biodiversity?
The electrons are found in the
What is the electron cloud?
The charge on the proton is
What is (+)?
Atoms in the same period share the same
What is energy levels/shells?
The two conditions for writing a hypothesis are ____ and _______
What are IF,THEN?
A scientist is using a chart with a series of paired descriptions to identify an unknown plant.
What is a dichotomous key?
The volume of the atom is located
What is in the electron cloud?
The charge on the electron is
what is (-)?
Atoms of elements in the same group of the periodic table share the same
What is valence e's?
These remain the same in an experiment
What are constants?
This means loves water _____ and this means hate water ________________. (Ans in the order of the question)
What is hydrophilic and Hydrophobic?
An atom is electrically neutral because…
What is the numbers of protons and electrons are equal?
The charge on the atom is
What is neutral?
E's on the outermost level of the atom
What is valence electrons?
For precise measurement we use a
what is a graduated cylinder?
List 5 properties of water
What is
surface tension, high specific heat, cohesion, adhesion, less dense as solid, terrific solvent?