A) It is composed of protons and neutrons B) It is composed of electrons and neutrons C) It is composed of protons and electrons D) It is composed of protons only
A) - B) + C) 0
A) have an equal number of neutrons and protons. B) have neutrons in their nuclei. C) have an equal number of charged and noncharged particles. D) have an equal number of electrons and protons.
A) breaking a pencil B) burning wood C) digesting food D) cooking eggs
A) Alphabetical Order B) Atomic Number C) Atomic Mass D) Discovery Date
A) Protons B) Valence Electrons C) Protons and Neutrons D) Neutrons
A) color B) pH C) density D) shape
A) eight protons in its nucleus. B) eight neutrons in its nucleus. C) a total of eight protons and neutrons. D) a total of eight neutrons and electrons.
A) protons plus the number of neutrons. B) neutrons. C) protons. D) protons plus the number of electrons.
A) They are extremely nonreactive. B) They are located in the left-most column of the periodic table. C) They are usually gases. D) They form negative ions with a -1 charge.
A) They are extremely rare in nature. B) a basically nonreactive. C) They form compounds with very bright colors. D) They are highly reactive with both metals and nonmetals.
A) have only 1 valence electron B) exist in all three states of matter in normal conditions C) are all metals D) are nonreactive
A) On the right side. B) In the middle column of the periodic table. C) On the left-most side. D) In the bottom rows.
A) mass;number B) location; ionization C) number; mass D) color; smell
A) 12 neutrons B) 6 neutrons C) 3 neutrons D) 8 neutrons
A) Alkali Metals B) Noble Gases C) Alkaline Earth D) Halogens
A) Noble Gases B) Halogens C) Akali D) Alkaline Earth
A) Noble Gases B) Halogens C) Alkaline Earth D) Alkali
A) Halogens B) Alkaline Earth C) Alkali D) Noble Gases
A) 4 B) 2 C) 3 D) 5
A) metalloids B) metals C) nonmetals
A) Ms. Watson B) Mendleev C) Mosely D) Einstein
A) alphabetically B) according to atomic number C) by date discovered D) According to atomic mass
A) Atomic Number B) Atomic Number-Atomic Mass C) Atomic Mass D) Atomic Mass-Atomic Number
A) Atomic Mass B) Atomic Number-Atomic mass C) Atomic Mass-Atomic Number D) Atomic Number
A) protons B) neutrons C) electrons D) nucleus
A) color B) flammability C) reactivity D) pH
A) breaking B) burning C) adding dye D) crushing
A) only can be seen in a few elements B) can only be observed by changing the substance C) can be observed with senses D) vary within the same element
A) vary within the same element B) only can be observed in a few elements C) can be observes with the senses D) cn only be observed by changing the substance
A) chemical B) physical
A) physical B) chemical
A) not enough information B) it will float C) it will sink
A) meters B) kilograms C) grams D) hours
A) both accurate and precise B) accurate C) nethier accurate or precise D) precise
A) 1,000 B) 1/100 C) 100 D) 1/1,000
A) constant B) control C) independent D) dependent
A) growth B) fertilizer C) strawberries D) length of study
A) control B) constant C) independent D) dependent
A) tongs B) graduated cylinder C) stirring rod D) beaker
A) 13 B) 0 C) 10 D) 16
A) 19 B) 35 C) 17 D) 18
A) 14 B) 26 C) 10 D) 12
A) 8 B) 18 C) 10 D) 2
A) 5.7 amu B) 115 amu C) 0.57 amu D) 57 amu
A) 4 B) 2 C) 1 D) 3
A) Dalton B) Bohr C) Rutherford D) Thomson
A) Rutherford B) Democritus C) Chadwick D) Thomson
A) Thomson B) Bohr C) Rutherford D) Shrodinger and Heisenburg
A) Thomson B) Dalton C) Rutherford D) Bohr
A) Atoms combine to form compounds in simple whole number ratios. B) All matter is made of atoms. C) Atoms of the same element are exactly alike.
A) Bohr B) Chadwick C) Rutherford D) Dalton
A) The mass of electrons is much smaller than the mass of protons and neutrons. B) Electrons are positively charged. C) Electron number never changes. D) The mass of protons and neutrons are much smaller than the mass of the electron.
A) smaller mass B) positive charge C) negative charge D) larger mass
A) neutrons B) positrons C) electrons D) protons
A) 1.33g/ml B) 0.33g/ml C) 72g/ml D) 3g/ml
A) 10.7g B) 17.5g C) 24g D) 0.094g |