返回卡包市场

Crucial Formulas

暂无描述。系统推荐的高质量记忆内容，适合每天坚持背诵学习。

卡片总数: 18 张•内容版本: v4•公开卡包•更新时间: 8/1/2026

卡片预览 (18 张)

#1
正面 (问题)

What is the chemical formula for Ammonia?

背面 (解答)

NH3

#2
正面 (问题)

What is the chemical formula for ammonium?

背面 (解答)

NH4^+

#3
正面 (问题)

What is the chemical formula for methane?

背面 (解答)

CH4

#4
正面 (问题)

What is the chemical formula for sodium chloride?

背面 (解答)

NaCl

#5
正面 (问题)

What does the ending ‘- ide’ state about the formula?

背面 (解答)

It is a singular element (eg: Oxide= oxygen)

#6
正面 (问题)

What is the chemical formula for carbon dioxide?

背面 (解答)

CO2

#7
正面 (问题)

What is the chemical formula for water?

背面 (解答)

H2O

#8
正面 (问题)

What is the chemical formula for silicone dioxide (sand)?

背面 (解答)

SiO2

#9
正面 (问题)

What is the chemical formula for carbonate?

背面 (解答)

CO3^2-

#10
正面 (问题)

What is the chemical formula for hydrochloric acid?

背面 (解答)

HCl [H]^+ [Cl]^-

#11
正面 (问题)

What is the chemical formula for nitrate?

背面 (解答)

NO3^-

#12
正面 (问题)

What is the chemical formula for nictric acid?

背面 (解答)

HNO3

#13
正面 (问题)

What is the chemical formula for sulfate?

背面 (解答)

SO4^2-

#14
正面 (问题)

What is the chemical formula for sulfuric acid?

背面 (解答)

H2SO4

#15
正面 (问题)

What is the chemical formula for phosphate?

背面 (解答)

PO4^3-

#16
正面 (问题)

What is the chemical formula for phosphoric acid?

背面 (解答)

H3PO4

#17
正面 (问题)

What is the chemical formula for ethanoic acid? (Not in test)

背面 (解答)

CH3COOH [H]^+ [CH3COO]^-

#18
正面 (问题)

What is the chemical formula for ethanoate? (Not in test)

背面 (解答)

CH3COO^-