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Ch.2 - Atoms, Molecules & Ions
McMurry - Chemistry 8th Edition
McMurry8th EditionChemistryISBN: 9781292336145당신이 사용하는 게 아니라요?교과서 변경
2장, 문제 35b

What is the atomic number of the blue element?

검증된 단계별 안내
1
Identify the 'blue element' by determining which element is being referred to. This could be based on a periodic table color-coding system or a specific context where elements are color-coded.
Once the element is identified, locate it on the periodic table.
The atomic number of an element is the number of protons in the nucleus of an atom of that element.
Find the atomic number, which is usually located above the element symbol on the periodic table.
Verify the element's identity and atomic number by cross-referencing with reliable sources or periodic tables.

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이 영상 해법은 위 문제에 도움이 된다고 튜터들이 추천한 것입니다.
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1m
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주요 개념

질문에 올바르게 답하기 위해 반드시 이해해야 하는 핵심 개념들은 다음과 같습니다.

Atomic Number

The atomic number is a fundamental property of an element, defined as the number of protons in the nucleus of an atom. It determines the element's identity and its position in the periodic table. For example, hydrogen has an atomic number of 1, while carbon has an atomic number of 6.
추천 영상:

Element Identification

Elements are pure substances that cannot be broken down into simpler substances by chemical means. Each element is represented by a unique symbol and is characterized by its atomic number. Identifying an element often involves recognizing its color, state, and other physical properties, such as the blue color mentioned in the question.
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가이드 코스
01:15
Chalcogen Identification Example

Periodic Table

The periodic table is a systematic arrangement of elements based on their atomic number, electron configuration, and recurring chemical properties. Elements are organized in rows (periods) and columns (groups), which helps predict their behavior in chemical reactions. The blue element referred to in the question can be located on this table, aiding in its identification.
추천 영상:
가이드 코스
02:40
Periodic Table Classifications