{ "@context": "https://schema.org", "@type": "Organization", "name": "Brainscape", "url": "https://www.brainscape.com/", "logo": "https://www.brainscape.com/pks/images/cms/public-views/shared/Brainscape-logo-c4e172b280b4616f7fda.svg", "sameAs": [ "https://www.facebook.com/Brainscape", "https://x.com/brainscape", "https://www.linkedin.com/company/brainscape", "https://www.instagram.com/brainscape/", "https://www.tiktok.com/@brainscapeu", "https://www.pinterest.com/brainscape/", "https://www.youtube.com/@BrainscapeNY" ], "contactPoint": { "@type": "ContactPoint", "telephone": "(929) 334-4005", "contactType": "customer service", "availableLanguage": ["English"] }, "founder": { "@type": "Person", "name": "Andrew Cohen" }, "description": "Brainscape’s spaced repetition system is proven to DOUBLE learning results! Find, make, and study flashcards online or in our mobile app. Serious learners only.", "address": { "@type": "PostalAddress", "streetAddress": "159 W 25th St, Ste 517", "addressLocality": "New York", "addressRegion": "NY", "postalCode": "10001", "addressCountry": "USA" } }

Atoms and Isotopes Flashcards

(15 cards)

1
Q

What letter denotes atomic number?

A

The letter Z

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What does atomic number tell us?

A

The number of protons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What letter denotes mass number?

A

The letter A

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What does mass number tell us?

A

The total number of protons and neutrons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

How do you get the number of neutrons alone?

A

Mass number - Atomic number

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What are isotopes?

A

Atoms of the same element with the same number of protons and electrons, but different number of neutrons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Define relative atomic mass

A

The weighted mean mass of an atom of an element relative to 1/12th of the mass of carbon-12

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Define relative isotopic mass

A

The mass of an isotope relative to 1/12th of the mass of carbon-12

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

How do you calculate relative atomic mass?

A

(Mass x Abundance) + (Mass x Abundance) divided by 100

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What is ammonium and its charge?

A

NH4 (1+)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What is nitrate and its charge?

A

NO3 (1-)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is hydrogen carbonate and its charge?

A

HCO3 (1-)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is carbonate and its charge?

A

CO3 (2-)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is dichromate and its charge?

A

Cr2O7 (2-)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is phosphate and its charge?

A

PO4 (3-)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly