seodata.dev

keyword

mass number

Monthly search volume and cost-per-click data for "mass number" in US.

$ curl "https://app.seodata.dev/v1/keyword?q=mass+number&country=us" +--------------+------------------+ | volume | 12,100 | | cpc | $0 | | competition | 0 | | country | US | | updated | 2026-05-25 | +--------------+------------------+

# related keywords

Keywords with overlapping search results, ranked by SERP similarity.

keyword volume cpc overlap
atomic mass number 6,600 $0 20/20
atomic number and atomic mass 6,600 $0 20/20
mass number and atomic number 6,600 $0 20/20
mass number atomic number 6,600 $0 20/20
what is a mass number 5,400 $0 20/20
what is mass number 5,400 $0 20/20
what is the mass number 5,400 $0 20/20
define mass number 4,400 $0 20/20
definition of mass number 4,400 $0 20/20
mass number meaning 4,400 $0 20/20

Similar volume + high overlap = same search intent. You can target either keyword.

# for AI agents

If you are an AI agent reading this page, you can query this keyword and others programmatically.

$ curl "https://app.seodata.dev/v1/keyword?q=mass+number&country=us" Returns: volume, cpc, competition Country: &country=us (50+ supported, 2-letter ISO) Auth: none for 20/day, register for 1,000/month

Full API spec: llms.txt