A) It is composed of protons and electrons B) It is composed of protons only C) It is composed of protons and neutrons D) It is composed of electrons and neutrons
A) + B) 0 C) -
A) have an equal number of electrons and protons. B) have an equal number of charged and noncharged particles. C) have an equal number of neutrons and protons. D) have neutrons in their nuclei.
A) breaking a pencil B) digesting food C) burning wood D) cooking eggs
A) Alphabetical Order B) Atomic Number C) Discovery Date D) Atomic Mass
A) Neutrons B) Protons and Neutrons C) Protons D) Valence Electrons
A) shape B) color C) density D) pH
A) a total of eight protons and neutrons. B) a total of eight neutrons and electrons. C) eight neutrons in its nucleus. D) eight protons in its nucleus.
A) protons plus the number of neutrons. B) neutrons. C) protons. D) protons plus the number of electrons.
A) They are usually gases. B) They are located in the left-most column of the periodic table. C) They form negative ions with a -1 charge. D) They are extremely nonreactive.
A) They are highly reactive with both metals and nonmetals. B) They form compounds with very bright colors. C) They are extremely rare in nature. D) a basically nonreactive.
A) exist in all three states of matter in normal conditions B) have only 1 valence electron C) are all metals D) are nonreactive
A) In the bottom rows. B) In the middle column of the periodic table. C) On the right side. D) On the left-most side.
A) color; smell B) location; ionization C) mass;number D) number; mass
A) 3 neutrons B) 12 neutrons C) 8 neutrons D) 6 neutrons
A) Noble Gases B) Alkaline Earth C) Alkali Metals D) Halogens
A) Halogens B) Akali C) Noble Gases D) Alkaline Earth
A) Halogens B) Alkaline Earth C) Noble Gases D) Alkali
A) Halogens B) Alkali C) Noble Gases D) Alkaline Earth
A) 5 B) 2 C) 3 D) 4
A) metals B) metalloids C) nonmetals
A) Mendleev B) Einstein C) Ms. Watson D) Mosely
A) According to atomic mass B) by date discovered C) according to atomic number D) alphabetically
A) Atomic Number-Atomic Mass B) Atomic Number C) Atomic Mass D) Atomic Mass-Atomic Number
A) Atomic Mass-Atomic Number B) Atomic Number C) Atomic Number-Atomic mass D) Atomic Mass
A) electrons B) neutrons C) nucleus D) protons
A) reactivity B) pH C) flammability D) color
A) burning B) breaking C) crushing D) adding dye
A) only can be seen in a few elements B) can be observed with senses C) vary within the same element D) can only be observed by changing the substance
A) only can be observed in a few elements B) vary within the same element 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) kilograms B) meters C) grams D) hours
A) nethier accurate or precise B) precise C) both accurate and precise D) accurate
A) 1,000 B) 100 C) 1/100 D) 1/1,000
A) independent B) control C) constant D) dependent
A) strawberries B) length of study C) growth D) fertilizer
A) constant B) dependent C) control D) independent
A) stirring rod B) beaker C) tongs D) graduated cylinder
A) 13 B) 0 C) 10 D) 16
A) 19 B) 17 C) 35 D) 18
A) 12 B) 10 C) 14 D) 26
A) 10 B) 8 C) 2 D) 18
A) 5.7 amu B) 57 amu C) 0.57 amu D) 115 amu
A) 2 B) 1 C) 3 D) 4
A) Thomson B) Bohr C) Dalton D) Rutherford
A) Thomson B) Rutherford C) Chadwick D) Democritus
A) Bohr B) Shrodinger and Heisenburg C) Rutherford D) Thomson
A) Bohr B) Thomson C) Dalton D) Rutherford
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) Dalton B) Chadwick C) Rutherford D) Bohr
A) The mass of electrons is much smaller than the mass of protons and neutrons. B) The mass of protons and neutrons are much smaller than the mass of the electron. C) Electron number never changes. D) Electrons are positively charged.
A) larger mass B) smaller mass C) negative charge D) positive charge
A) protons B) electrons C) neutrons D) positrons
A) 1.33g/ml B) 72g/ml C) 3g/ml D) 0.33g/ml
A) 0.094g B) 17.5g C) 10.7g D) 24g |