Question

Выпишите отдельно формулы простых и сложных веществ: Fe2O3, Mg, H2, NaHCO3, Au, CI2, Na, Cu(OH)2, He, Cu, NaCI, S8подчеркните символы, которые обозначают простые вещества--- металлы

Answer 1

Простые-это где 1 элемент,а сложны, где их несколько.
Mg,H2,Au,CI2,Na,He,Cu,S8- простые
Fe2O3,NaHCO3, Cu(OH)2,NaCI-сложные

Answer 2

Simple and Compound Substances

Sure, I'd be happy to help with that! Let's start by listing the formulas for the simple and compound substances you've mentioned and identifying the symbols that represent simple substances (metals).

- Simple Substances (Metals): Fe, Mg, H, Na, Au, Cu, He - Compound Substances: Fe2O3, H2, NaHCO3, Cl2, Cu(OH)2, NaCl, S8

Now, let's break down the formulas for the simple and compound substances:

- Simple Substances (Metals): - Fe (Iron) - Mg (Magnesium) - H (Hydrogen) - Na (Sodium) - Au (Gold) - Cu (Copper) - He (Helium)

- Compound Substances: - Fe2O3 (Iron(III) oxide) - H2 (Hydrogen gas) - NaHCO3 (Sodium bicarbonate) - Cl2 (Chlorine gas) - Cu(OH)2 (Copper(II) hydroxide) - NaCl (Sodium chloride) - S8 (Sulfur)

I hope this breakdown helps! If you have any more questions or need further clarification, feel free to ask.