8th Grade Science - Unit 1
🇬🇧
In Inglés
In Inglés
Practique preguntas conocidas
Manténgase al día con sus preguntas pendientes
Completa 5 preguntas para habilitar la práctica
Exámenes
Examen: pon a prueba tus habilidades
Course needs 15 questions
Aprenda nuevas preguntas
Modos dinámicos
InteligenteMezcla inteligente de todos los modos
PersonalizadoUtilice la configuración para ponderar los modos dinámicos
Modo manual [beta]
Seleccione sus propios tipos de preguntas y respuestas
Modos específicos
Aprende con fichas
Completa la oración
Escuchar y deletrearOrtografía: escribe lo que escuchas
elección múltipleModo de elección múltiple
Expresión oralResponde con voz
Expresión oral y comprensión auditivaPractica la pronunciación
EscrituraModo de solo escritura
8th Grade Science - Unit 1 - Marcador
8th Grade Science - Unit 1 - Detalles
Niveles:
Preguntas:
10 preguntas
| 🇬🇧 | 🇬🇧 |
| What is an atom? | Smallest particle of an element that maintains the properties of that element |
| What is atomic mass? | Average mass number of all atoms of an element (from particles in the nucleus) |
| What does the atomic number represent? | The number of protons in the nucleus of an atom; used to determine an element's position in the Periodic Table |
| What is a chemical property? | A characteristic of a substance that describes how it combines with other substances to form new ones |
| What is an electrical charge? | A property of a subatomic particle; positive (protons), negative (electrons), or neutral (neutrons) |
| What is an electron? | A negatively charged particle in the electron cloud surrounding the atomic nucleus |
| What is an electron cloud? | The negatively charged space containing electrons that surrounds the atomic nucleus |
| What is an element? | A pure substance that cannot be broken down chemically into simpler substances |
| What are groups (families)? | The vertical columns on the Periodic Table |
| What is a mass number? | Total number of protons and neutrons in a specific atom |