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