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