Fersiwn argraffu

Pori drwy'r eirfa gan ddefnyddio'r mynegai hwn

Arbennig | A | B | C | CH | D | DD | E | F | FF | G | NG | H | I | L | LL | M | N | O | P | PH | R | RH | S | T | TH | U | W | Y | Y CYFAN

Tudalen: (Blaenorol)   1  2  3  4  5  6  7  8  (Nesaf)
  Y CYFAN

H

hypothesis

tentative explanation of observations that acts as a guide for gathering and checking information

I

inner transition metal

element in the bottom two rows; if in the first row, also called lanthanide, or if in the second row, also called actinide

intensive property

property of a substance that is independent of the amount of the substance

ionic bond

electrostatic forces of attraction between the oppositely charged ions of an ionic compound

K

Kelvin

SI unit of temperature; 273.15 K = 0 ºC

kilogram

standard SI unit of mass; 1 kg = approximately 2.2 pounds

L

law

statement that summarizes a vast number of experimental observations, and describes or predicts some aspect of the natural world

law of conservation of matter

when matter converts from one type to another or changes form, there is no detectable change in the total amount of matter present

length

measure of one dimension of an object

liquid

state of matter that has a definite volume but indefinite shape

Tudalen: (Blaenorol)   1  2  3  4  5  6  7  8  (Nesaf)
  Y CYFAN