Matter and Atoms
This particle determines the atomic number of an element.
Protons
This type of radiation can pass through lead.
Gamma radiation
A chemical equation is balanced when this is equal on both sides.
the number of atoms of each element?
One mole equals this many particles.
What is 6.02 × 10²³?
Speed of a 500 km trip in 5 hours.
What is 100 km/h?
A covalent bond forms when electrons are this between two nonmetals.
what is Shared
Splitting a nucleus into smaller nuclei is called this.
fission
The coefficient for H₂ in the balanced ammonia equation.
what is 3
Hydrogen atoms in (NH₄)₃PO₄.
What is 12?
A 17.5 kg mass pushed with 171.5 N accelerates at this rate.
What is 9.8 m/s²?
An isotope with 17 protons and 19 neutrons has this mass number.
Lead‑210 (half‑life 22 yrs): 1.0 g becomes this after 88 years.
0.0625 g
N₂ + 3H₂ → 2NH₃ is this type of reaction.
synthesis?
Moles in 9.4×10¹⁷ atoms of Al.
What is 1.56×10⁻⁶ mol?
A 29 kg boy running at 2.8 m/s has this kinetic energy.
What is 113.7 J?
ZnCl₂ is this type of compound.
Ionic
In beta decay, this happens to the atomic number.
It increases
Balanced: __ NO + __ O₂ → __ NO₂
What is 2 NO + 1 O₂ → 2 NO₂?
Molar mass of Pb(NO₃)₄.
What is 455.25 g/mol?
A 12 N left push and 3 N right pull create this net force.
What is 9 N left?
In an ionic bond, electrons move in this way.
transferred from a metal to a nonmetal?
The major drawback of nuclear power.
radioactive waste
Changing these is how you balance equations.
What are coefficients?
If 18 mol H₂O react, this many mol Al(OH)₃ form.
What is 6 mol?
Does tanner have motion
of course