Quiz 9/13/2024 Flashcards
To define the # of neutrons in an atom what do you have to do?
Subtract the mass # from the atomic #
3 properties of matter are?
Solid, Liquid and Gas
define atom
Building blocks of matter
What is matter?
Anything that has mass it takes up space
What is found outside the nucleus?
Electrons
Two elements that make up a nucleus are?
Protons and Electrons
Element
pure substance made up entirely by one type of atom
name 10 elements
Hydrogen, Boron, Carbon, Zinc, Neon, Oxygen,Iron, ,Copper, nickel and Tin
Name 2 to 3 Compounds
Water H20 , Carbon Dioxide CO2 and Table salt NaCi
electrons protons and neutron charge
electron negative, protons positive charge and neutrons no charge
Center of atom
nucleus
Two chemical bonds?
Covalent and Ionic bonds
Define compound
two pure elements combining
how long something been dead or buried and isotopes that give off radiation
radio active isotopes
ionic bonds
When one or more electrons transfer from one atom to another
covalent
bond by sharing electrons
difference between ionic bonds and covalent
ionic bonds involve electron transfer and formation of ions, while covalent bonds involve sharing electrons.
isotopes
atoms of the the same element that contain different number of neutrons
pink salt helps?
control water level in body and promote healthy sleep
Substance
form of matter that has uniform and unchanging compensations.
protons charge
+
electrons charge
-