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alexandr402 [8]
3 years ago
10

Which metals have similar chemical properties? Check all that apply. barium beryllium rubidium radium titanium calcium platinum

Chemistry
2 answers:
forsale [732]3 years ago
6 0

beryllium & calcium are the two in the same column or family

Pie3 years ago
3 0

answer: is the

first

second

forth

6

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Select the correct answer. Which of these elements is a transition metal?
PtichkaEL [24]

I don't see the options for an answer, so here is a list of all of the transition metals lol

  • <em>Scandium</em>
  • <em>Titanium</em>
  • <em>Vanadium</em>
  • <em>Chromium</em>
  • <em>Manganese</em>
  • <em>Iron</em>
  • <em>Cobalt</em>
  • <em>Nickel</em>
  • <em>Copper</em>
  • <em>Zinc</em>
  • <em>Yttrium</em>
  • <em>Zirconium</em>
  • <em>Niobium</em>
  • <em>Molybdenum</em>
  • <em>Technetium</em>
  • <em>Ruthenium</em>
  • <em>Rhodium</em>
  • <em>Palladium</em>
  • <em>Silver</em>
  • <em>Cadmium</em>
  • <em>Lanthanum</em>
  • <em>Hafnium</em>
  • <em>Tantalum</em>
  • <em>Tungsten</em>
  • <em>Rhenium</em>
  • <em>Osmium</em>
  • <em>Iridium</em>
  • <em>Platinum</em>
  • <em>Gold</em>
  • <em>Mercury</em>
  • <em>Actinium</em>
  • <em>Rutherfordium</em>
  • <em>Dubnium</em>
  • <em>Seaborgium</em>
  • <em>Bohrium</em>
  • <em>Hassium</em>
  • <em>Meitnerium</em>
  • <em>Darmstadtium</em>
  • <em>Roentgenium</em>
  • <em>Copernicium p</em>
8 0
2 years ago
If the enthalpy value for a reaction is negative, what does that indicate about the reaction? Please explain how you got your an
Elis [28]

The answer is; D

Enthalpy is the system’s internal energy ( considering the product of its pressure and volume). When the enthalpy is negative, it means that the products have a lower energy level than the reactants - meaning the system has dispensed some energy into the environment.

4 0
4 years ago
Read 2 more answers
Question is in picture! Due in 30 minutes!
gizmo_the_mogwai [7]

Answer:

wheresthepicture.-

Explanation:

5 0
2 years ago
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Chlorophyll a is one of the green pigments found in plants. Chlorophyll a has the molecular formula C55H72MgN4O5. How many atoms
yuradex [85]
We add up all the various atoms:
C: 55
H: 72
Mg: 1
N: 4
O: 5

55 + 72 + 1 + 4 + 5
= 137

The answer is B.
3 0
3 years ago
Read 2 more answers
Help me now plssssssss i will give brainliest!!!!!!!!!!!!!!!!!!!!!!!
yanalaym [24]

Answer:

products are copper and aluminium chloride

reactants are aluminium and copper chloride

Explanation:

products are formed at the end of a reaction

reactants are what's reacting to form the products ie the things at the start of the equation

4 0
3 years ago
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