Atoms
what is an atom?
An atom is the smallest unit of ordinary matter that forms a chemical element
The 15 metallic elements at the bottom of the periodic table are Labeled these?
THE LANTHANIDES
what is a perodic table?
The periodic table, also known as the periodic table of elements, arranges the chemical elements
what is a compound element
a compound: consists of atoms of two or more different elements bound together, can be broken down into a simpler type of matter
what is matter?
In classical physics and general chemistry, matter is any substance that has mass and takes up space by having volume
Of the 3 main components of an atom these are farthest from the nucleus?
Electrons
Alphabetically they are the last 2 chemical elements?
ZINC & ZIRCONIUM
It's the second-most abundant element in the universe & it's also listed second on the periodic table?
HELIUM
The theory that the total amount of energy in the universe is constant is the first law of this branch of physics?
THERMODYNAMICS
If electrons ever meet these their antimatter counterparts the 2 annihilate each other releasing a lot of energy?
POSITRONS
An atom may become more stable by releasing this Greek letter particle identical to a helium atom nucleus?
AN ALPHA PARTICLE
1 of 2 elements named for scientists & identified in debris from the first hydrogen bomb explosion?
EINSTEINIUM (OR FERMIUM)
Element 113 on the periodic table is named nihonium due to its discovery in this country?
Japan
Is a compound element made of atoms?
Yes they are
First predicted in 1930 this particle with no charge goes through miles of matter without reacting with a proton or neutron?
NEUTRINOS
Atoms are often measured using these units whose symbol looks like a capital A with a small circle on the top?
ANGSTROMS
Commodities are traded in a pit; stocks on one of these structural elements?
A floor
C if you can guess this element that follows boron on the periodic table?
CARBON
how are chemical elements made?
Stars create new elements in their cores by squeezing elements together in a process called nuclear fusion
According to yoga philosophy the universe is made up of prakriti matter & purusha this 6-letter term?
SPIRIT
The atomic number refers to the number of these in an atom?
PROTONS
what is an element?
In chemistry, an element is a pure substance which cannot be broken down by chemical
On the periodic table it's the first element to have a 2-letter symbol?
Helium
what do compound elements do?
When two distinct elements are chemically combined—i.e., chemical bonds form between their atoms—the result is called a chemical compound
Of the 3 basic states of matter the one that fits the category?
Solid