<span>Alpha particle is nucleus
of a helium-4 atom, which is
made of two protons and
two neutrons.
Nuclear reaction: </span>₈₄²¹⁸Po → ₈₂²¹⁴Pb + α (alpha particle).<span>
Alpha decay is radioactive decay in
which an atomic nucleus emits
an alpha particle (helium
nucleus) and transforms into an atom with an atomic
number that is reduced by two and mass number that is reduced by four.</span>
True. Living things are classified by the characteristics they have in common.
<span>All </span><span>living</span><span> organisms are </span><span>classified</span><span> within the organization based on extremely fundamental, shared characteristics.The classification of organisms is called taxonomy. </span>
There are 1.51x10^24 atomsU in 2.50 mol of Uranium.
This is because a mole consists of 6.02x10^24 atoms. SO with this info,
2.5 x 6.02 x 10 = 1.505 x 10^24
but because we must round, the answer is 1.51 x 10^24
*mic drop*
XD silliness aside, I hope this helped!
Answer:

Explanation:
Step 1. Calculate the moles of C₁₂H₂₂O₁₁

Step 2. Calculate the mass of C₁₂H₂₂O₁₁

Answer:
Basic or alkaline
Explanation:
ph 7 is neutral
below 7 is acidic
above 7 is basic or alkaline