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